Update .drone.jsonnet

Performance improvement

.drone.jsonnet

@@ -0,0 +1,422 @@
+# Copyright 2022 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# https://www.boost.org/LICENSE_1_0.txt
+
+local library = "function";
+
+local triggers =
+{
+    branch: [ "master", "develop", "feature/*" ]
+};
+
+local ubsan = { UBSAN: '1', UBSAN_OPTIONS: 'print_stacktrace=1' };
+local asan = { ASAN: '1' };
+
+local linux_pipeline(name, image, environment, packages = "", sources = [], arch = "amd64") =
+{
+    name: name,
+    kind: "pipeline",
+    type: "docker",
+    trigger: triggers,
+    platform:
+    {
+        os: "linux",
+        arch: arch
+    },
+    steps:
+    [
+        {
+            name: "everything",
+            image: image,
+            environment: environment,
+            commands:
+            [
+                'set -e',
+                'uname -a',
+                'echo $DRONE_STAGE_MACHINE',
+                'wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -',
+            ] +
+            (if sources != [] then [ ('apt-add-repository "' + source + '"') for source in sources ] else []) +
+            (if packages != "" then [ 'apt-get update', 'apt-get -y install ' + packages ] else []) +
+            [
+                'export LIBRARY=' + library,
+                './.drone/drone.sh',
+            ]
+        }
+    ]
+};
+
+local macos_pipeline(name, environment, xcode_version = "12.2", osx_version = "catalina", arch = "amd64") =
+{
+    name: name,
+    kind: "pipeline",
+    type: "exec",
+    trigger: triggers,
+    platform: {
+        "os": "darwin",
+        "arch": arch
+    },
+    node: {
+        "os": osx_version
+    },
+    steps: [
+        {
+            name: "everything",
+            environment: environment + { "DEVELOPER_DIR": "/Applications/Xcode-" + xcode_version + ".app/Contents/Developer" },
+            commands:
+            [
+                'export LIBRARY=' + library,
+                './.drone/drone.sh',
+            ]
+        }
+    ]
+};
+
+local windows_pipeline(name, image, environment, arch = "amd64") =
+{
+    name: name,
+    kind: "pipeline",
+    type: "docker",
+    trigger: triggers,
+    platform:
+    {
+        os: "windows",
+        arch: arch
+    },
+    "steps":
+    [
+        {
+            name: "everything",
+            image: image,
+            environment: environment,
+            commands:
+            [
+                'cmd /C .drone\\\\drone.bat ' + library,
+            ]
+        }
+    ]
+};
+
+[
+    linux_pipeline(
+        "Linux 16.04 GCC 4.7 32/64",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-4.7', CXXSTD: '0x', ADDRMD: '32,64' },
+        "g++-4.7-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 GCC 4.8 32/64",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-4.8', CXXSTD: '11', ADDRMD: '32,64' },
+        "g++-4.8-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 GCC 4.9 32/64",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-4.9', CXXSTD: '11', ADDRMD: '32,64' },
+        "g++-4.9-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 GCC 5* 32/64",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14', ADDRMD: '32,64' },
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 GCC 6 32/64",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-6', CXXSTD: '11,14', ADDRMD: '32,64' },
+        "g++-6-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 GCC 7* 32/64",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17', ADDRMD: '32,64' },
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 GCC 8 32/64",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-8', CXXSTD: '11,14,17', ADDRMD: '32,64' },
+        "g++-8-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 9* 32/64",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17,2a', ADDRMD: '32,64' },
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 9* ARM64 UBSAN",
+        "cppalliance/droneubuntu2004:multiarch",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17,2a' } + ubsan,
+        arch="arm64",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 9* ARM64 ASAN",
+        "cppalliance/droneubuntu2004:multiarch",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17,2a' } + asan,
+        arch="arm64",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 9* S390x UBSAN",
+        "cppalliance/droneubuntu2004:multiarch",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17,2a' } + ubsan,
+        arch="s390x",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 10 32/64",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-10', CXXSTD: '11,14,17,20', ADDRMD: '32,64' },
+        "g++-10-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 GCC 11* 32/64",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17,2a', ADDRMD: '32,64' },
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 GCC 12 32/64",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-12', CXXSTD: '11,14,17,20,2b', ADDRMD: '32,64' },
+        "g++-12-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 GCC 13 32/64",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-13', CXXSTD: '11,14,17,20,2b', ADDRMD: '32,64' },
+        "g++-13-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 GCC 14 32/64 UBSAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-14', CXXSTD: '11,14,17,20,2b', ADDRMD: '32,64' } + ubsan,
+        "g++-14-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 GCC 14 32/64 ASAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-14', CXXSTD: '11,14,17,20,2b', ADDRMD: '32,64' } + asan,
+        "g++-14-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 Clang 3.5",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.5', CXXSTD: '11' },
+        "clang-3.5",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 Clang 3.6",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.6', CXXSTD: '11,14' },
+        "clang-3.6",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 Clang 3.7",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.7', CXXSTD: '11,14' },
+        "clang-3.7",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 Clang 3.8",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.8', CXXSTD: '11,14' },
+        "clang-3.8",
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 Clang 3.9",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.9', CXXSTD: '11,14' },
+        "clang-3.9",
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 Clang 4.0",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-4.0', CXXSTD: '11,14' },
+        "clang-4.0",
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 Clang 5.0",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-5.0', CXXSTD: '11,14,1z' },
+        "clang-5.0",
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 Clang 6.0",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-6.0', CXXSTD: '11,14,17' },
+        "clang-6.0",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 7",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-7', CXXSTD: '11,14,17' },
+        "clang-7",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 8",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-8', CXXSTD: '11,14,17' },
+        "clang-8",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 9",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-9', CXXSTD: '11,14,17,2a' },
+        "clang-9",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 10",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-10', CXXSTD: '11,14,17,2a' },
+        "clang-10",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 11",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-11', CXXSTD: '11,14,17,2a' },
+        "clang-11",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 12",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-12', CXXSTD: '11,14,17,2a' },
+        "clang-12",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 Clang 13",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-13', CXXSTD: '11,14,17,20' },
+        "clang-13",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 Clang 14",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '11,14,17,20,2b' },
+        "clang-14",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 Clang 15",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-15', CXXSTD: '11,14,17,20,2b' },
+        "clang-15",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 16",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-16', CXXSTD: '11,14,17,20,2b' },
+        "clang-16",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 17 UBSAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-17', CXXSTD: '11,14,17,20,2b' } + ubsan,
+        "clang-17",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 17 ASAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-17', CXXSTD: '11,14,17,20,2b' } + asan,
+        "clang-17",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 18 UBSAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-18', CXXSTD: '11,14,17,20,2b' } + ubsan,
+        "clang-18",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 18 ASAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-18', CXXSTD: '11,14,17,20,2b' } + asan,
+        "clang-18",
+    ),
+
+    linux_pipeline(
+        "Linux 24.10 Clang 19",
+        "cppalliance/droneubuntu2410:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-19', CXXSTD: '11,14,17,20,2b' },
+        "clang-19",
+    ),
+
+    macos_pipeline(
+        "MacOS 10.15 Xcode 12.2 UBSAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '11,14,17,2a' } + ubsan,
+    ),
+
+    macos_pipeline(
+        "MacOS 10.15 Xcode 12.2 ASAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '11,14,17,2a' } + asan,
+    ),
+
+    macos_pipeline(
+        "MacOS 12.4 Xcode 13.4.1 UBSAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '11,14,17,20,2b' } + ubsan,
+        xcode_version = "13.4.1", osx_version = "monterey", arch = "arm64",
+    ),
+
+    macos_pipeline(
+        "MacOS 12.4 Xcode 13.4.1 ASAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '11,14,17,20,2b' } + asan,
+        xcode_version = "13.4.1", osx_version = "monterey", arch = "arm64",
+    ),
+
+    windows_pipeline(
+        "Windows VS2015 msvc-14.0",
+        "cppalliance/dronevs2015",
+        { TOOLSET: 'msvc-14.0', CXXSTD: '14,latest', B2_DONT_EMBED_MANIFEST: '1' },
+    ),
+
+    windows_pipeline(
+        "Windows VS2017 msvc-14.1",
+        "cppalliance/dronevs2017",
+        { TOOLSET: 'msvc-14.1', CXXSTD: '14,17,latest' },
+    ),
+
+    windows_pipeline(
+        "Windows VS2019 msvc-14.2",
+        "cppalliance/dronevs2019",
+        { TOOLSET: 'msvc-14.2', CXXSTD: '14,17,20,latest' },
+    ),
+
+    windows_pipeline(
+        "Windows VS2022 msvc-14.3",
+        "cppalliance/dronevs2022:1",
+        { TOOLSET: 'msvc-14.3', CXXSTD: '14,17,20,latest' },
+    ),
+]

.drone/drone.bat

@@ -0,0 +1,23 @@
+@REM Copyright 2022 Peter Dimov
+@REM Distributed under the Boost Software License, Version 1.0.
+@REM https://www.boost.org/LICENSE_1_0.txt
+
+@ECHO ON
+
+set LIBRARY=%1
+set DRONE_BUILD_DIR=%CD%
+
+set BOOST_BRANCH=develop
+if "%DRONE_BRANCH%" == "master" set BOOST_BRANCH=master
+cd ..
+git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+cd boost-root
+git submodule update --init tools/boostdep
+xcopy /s /e /q %DRONE_BUILD_DIR% libs\%LIBRARY%\
+python tools/boostdep/depinst/depinst.py -I example %LIBRARY%
+cmd /c bootstrap
+b2 -d0 headers
+
+if not "%CXXSTD%" == "" set CXXSTD=cxxstd=%CXXSTD%
+if not "%ADDRMD%" == "" set ADDRMD=address-model=%ADDRMD%
+b2 -j3 libs/%LIBRARY%/test toolset=%TOOLSET% %CXXSTD% %ADDRMD% variant=debug,release embed-manifest-via=linker

.drone/drone.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Copyright 2022 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# https://www.boost.org/LICENSE_1_0.txt
+
+set -ex
+export PATH=~/.local/bin:/usr/local/bin:$PATH
+
+DRONE_BUILD_DIR=$(pwd)
+
+BOOST_BRANCH=develop
+if [ "$DRONE_BRANCH" = "master" ]; then BOOST_BRANCH=master; fi
+
+cd ..
+git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+cd boost-root
+git submodule update --init tools/boostdep
+cp -r $DRONE_BUILD_DIR/* libs/$LIBRARY
+python tools/boostdep/depinst/depinst.py -I example $LIBRARY
+./bootstrap.sh
+./b2 -d0 headers
+
+echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
+./b2 -j3 libs/$LIBRARY/test toolset=$TOOLSET cxxstd=$CXXSTD variant=debug,release ${ADDRMD:+address-model=$ADDRMD} ${UBSAN:+undefined-sanitizer=norecover debug-symbols=on} ${ASAN:+address-sanitizer=norecover debug-symbols=on} ${LINKFLAGS:+linkflags=$LINKFLAGS}

.github/workflows/ci.yml

@@ -17,120 +17,213 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - toolset: gcc-4.7
+            cxxstd: "11"
+            container: ubuntu:16.04
+            os: ubuntu-latest
+            install: g++-4.7-multilib
+            address-model: 32,64
           - toolset: gcc-4.8
-            cxxstd: "03,11"
-            os: ubuntu-18.04
+            cxxstd: "11"
+            container: ubuntu:16.04
+            os: ubuntu-latest
             install: g++-4.8-multilib
             address-model: 32,64
+          - toolset: gcc-4.9
+            cxxstd: "11"
+            container: ubuntu:16.04
+            os: ubuntu-latest
+            install: g++-4.9-multilib
+            address-model: 32,64
           - toolset: gcc-5
-            cxxstd: "03,11,14,1z"
-            os: ubuntu-18.04
+            cxxstd: "11,14,1z"
+            container: ubuntu:18.04
+            os: ubuntu-latest
             install: g++-5-multilib
             address-model: 32,64
           - toolset: gcc-6
-            cxxstd: "03,11,14,1z"
-            os: ubuntu-18.04
+            cxxstd: "11,14,1z"
+            container: ubuntu:18.04
+            os: ubuntu-latest
             install: g++-6-multilib
             address-model: 32,64
           - toolset: gcc-7
-            cxxstd: "03,11,14,17"
-            os: ubuntu-18.04
+            cxxstd: "11,14,17"
+            os: ubuntu-20.04
             install: g++-7-multilib
             address-model: 32,64
           - toolset: gcc-8
-            cxxstd: "03,11,14,17,2a"
-            os: ubuntu-18.04
+            cxxstd: "11,14,17,2a"
+            os: ubuntu-20.04
             install: g++-8-multilib
             address-model: 32,64
           - toolset: gcc-9
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             os: ubuntu-20.04
             install: g++-9-multilib
             address-model: 32,64
           - toolset: gcc-10
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             os: ubuntu-20.04
             install: g++-10-multilib
             address-model: 32,64
           - toolset: gcc-11
-            cxxstd: "03,11,14,17,20"
-            os: ubuntu-20.04
+            cxxstd: "11,14,17,20,2b"
+            os: ubuntu-22.04
             install: g++-11-multilib
             address-model: 32,64
           - toolset: gcc-12
-            cxxstd: "03,11,14,17,20"
+            cxxstd: "11,14,17,20,2b"
             os: ubuntu-22.04
             install: g++-12-multilib
             address-model: 32,64
+          - toolset: gcc-13
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: g++-13-multilib
+            address-model: 32,64
+          - toolset: gcc-14
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: g++-14-multilib
+            address-model: 32,64
           - toolset: clang
             compiler: clang++-3.9
-            cxxstd: "03,11,14"
-            os: ubuntu-18.04
+            cxxstd: "11,14"
+            container: ubuntu:18.04
+            os: ubuntu-latest
             install: clang-3.9
           - toolset: clang
             compiler: clang++-4.0
-            cxxstd: "03,11,14"
-            os: ubuntu-18.04
+            cxxstd: "11,14"
+            container: ubuntu:18.04
+            os: ubuntu-latest
             install: clang-4.0
           - toolset: clang
             compiler: clang++-5.0
-            cxxstd: "03,11,14,1z"
-            os: ubuntu-18.04
+            cxxstd: "11,14,1z"
+            container: ubuntu:18.04
+            os: ubuntu-latest
             install: clang-5.0
           - toolset: clang
             compiler: clang++-6.0
-            cxxstd: "03,11,14,17"
-            os: ubuntu-18.04
+            cxxstd: "11,14,17"
+            os: ubuntu-20.04
             install: clang-6.0
           - toolset: clang
             compiler: clang++-7
-            cxxstd: "03,11,14,17"
-            os: ubuntu-18.04
+            cxxstd: "11,14,17"
+            os: ubuntu-20.04
             install: clang-7
           - toolset: clang
             compiler: clang++-8
-            cxxstd: "03,11,14,17"
+            cxxstd: "11,14,17"
             os: ubuntu-20.04
             install: clang-8
           - toolset: clang
             compiler: clang++-9
-            cxxstd: "03,11,14,17"
+            cxxstd: "11,14,17"
             os: ubuntu-20.04
             install: clang-9
           - toolset: clang
             compiler: clang++-10
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             os: ubuntu-20.04
           - toolset: clang
             compiler: clang++-11
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             os: ubuntu-20.04
           - toolset: clang
             compiler: clang++-12
-            cxxstd: "03,11,14,17,20"
+            cxxstd: "11,14,17,20"
             os: ubuntu-20.04
           - toolset: clang
             compiler: clang++-13
-            cxxstd: "03,11,14,17,20"
-            os: ubuntu-22.04
+            cxxstd: "11,14,17,20"
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: clang-13
           - toolset: clang
             compiler: clang++-14
-            cxxstd: "03,11,14,17,20"
-            os: ubuntu-22.04
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: clang-14
           - toolset: clang
-            cxxstd: "03,11,14,17,2a"
-            os: macos-10.15
+            compiler: clang++-15
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:22.04
+            os: ubuntu-latest
+            install: clang-15
+          - toolset: clang
+            compiler: clang++-16
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-16
+          - toolset: clang
+            compiler: clang++-17
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-17
+          - toolset: clang
+            compiler: clang++-18
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-18
+          - toolset: clang
+            compiler: clang++-19
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:24.10
+            os: ubuntu-latest
+            install: clang-19
+          - toolset: clang
+            cxxstd: "11,14,17,20,2b"
+            os: macos-13
+          - toolset: clang
+            cxxstd: "11,14,17,20,2b"
+            os: macos-14
+          - toolset: clang
+            cxxstd: "11,14,17,20,2b"
+            os: macos-15
 
     runs-on: ${{matrix.os}}
 
+    container:
+      image: ${{matrix.container}}
+      volumes:
+        - /node20217:/node20217:rw,rshared
+        - ${{ startsWith(matrix.container, 'ubuntu:1') && '/node20217:/__e/node20:ro,rshared' || ' ' }}
+
+    defaults:
+      run:
+        shell: bash
+
     steps:
-      - uses: actions/checkout@v2
+      - name: Setup container environment
+        if: matrix.container
+        run: |
+          apt-get update
+          apt-get -y install sudo python3 git g++ curl xz-utils
+
+      - name: Install nodejs20glibc2.17
+        if: ${{ startsWith( matrix.container, 'ubuntu:1' ) }}
+        run: |
+          curl -LO https://archives.boost.io/misc/node/node-v20.9.0-linux-x64-glibc-217.tar.xz
+          tar -xf node-v20.9.0-linux-x64-glibc-217.tar.xz --strip-components 1 -C /node20217
+          ldd /__e/node20/bin/node
+
+      - uses: actions/checkout@v4
 
       - name: Install packages
         if: matrix.install
-        run: sudo apt install ${{matrix.install}}
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install ${{matrix.install}}
 
       - name: Setup Boost
         run: |
@@ -150,7 +243,7 @@ jobs:
           cd boost-root
           cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
           git submodule update --init tools/boostdep
-          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+          python3 tools/boostdep/depinst/depinst.py $LIBRARY
           ./bootstrap.sh
           ./b2 -d0 headers
 
@@ -187,14 +280,14 @@ jobs:
             addrmd: 32,64
             os: windows-2022
           - toolset: gcc
-            cxxstd: "03,11,14,17,2a"
+            cxxstd: "11,14,17,2a"
             addrmd: 64
             os: windows-2019
 
     runs-on: ${{matrix.os}}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup Boost
         shell: cmd
@@ -229,18 +322,21 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-18.04
           - os: ubuntu-20.04
-          - os: macos-10.15
+          - os: ubuntu-22.04
+          - os: ubuntu-24.04
+          - os: macos-13
+          - os: macos-14
+          - os: macos-15
 
     runs-on: ${{matrix.os}}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install packages
         if: matrix.install
-        run: sudo apt install ${{matrix.install}}
+        run: sudo apt-get -y install ${{matrix.install}}
 
       - name: Setup Boost
         run: |
@@ -275,18 +371,21 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-18.04
           - os: ubuntu-20.04
-          - os: macos-10.15
+          - os: ubuntu-22.04
+          - os: ubuntu-24.04
+          - os: macos-13
+          - os: macos-14
+          - os: macos-15
 
     runs-on: ${{matrix.os}}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install packages
         if: matrix.install
-        run: sudo apt install ${{matrix.install}}
+        run: sudo apt-get -y install ${{matrix.install}}
 
       - name: Setup Boost
         run: |
@@ -331,18 +430,21 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-18.04
           - os: ubuntu-20.04
-          - os: macos-10.15
+          - os: ubuntu-22.04
+          - os: ubuntu-24.04
+          - os: macos-13
+          - os: macos-14
+          - os: macos-15
 
     runs-on: ${{matrix.os}}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Install packages
         if: matrix.install
-        run: sudo apt install ${{matrix.install}}
+        run: sudo apt-get -y install ${{matrix.install}}
 
       - name: Setup Boost
         run: |
@@ -379,3 +481,183 @@ jobs:
         run: |
           cd ../boost-root/__build__
           ctest --output-on-failure --no-tests=error
+
+  windows-cmake-subdir:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-2019
+          - os: windows-2022
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+
+      - name: Use library with add_subdirectory (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_subdir_test
+          mkdir __build__ && cd __build__
+          cmake ..
+          cmake --build . --config Debug
+          ctest --output-on-failure --no-tests=error -C Debug
+
+      - name: Use library with add_subdirectory (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_subdir_test/__build__
+          cmake --build . --config Release
+          ctest --output-on-failure --no-tests=error -C Release
+
+  windows-cmake-install:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-2019
+          - os: windows-2022
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+
+      - name: Configure
+        shell: cmd
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=%LIBRARY% -DCMAKE_INSTALL_PREFIX=C:/cmake-prefix ..
+
+      - name: Install (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install --config Debug
+
+      - name: Install (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install --config Release
+
+      - name: Use the installed library (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_install_test && mkdir __build__ && cd __build__
+          cmake -DCMAKE_INSTALL_PREFIX=C:/cmake-prefix ..
+          cmake --build . --config Debug
+          ctest --output-on-failure --no-tests=error -C Debug
+
+      - name: Use the installed library (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_install_test/__build__
+          cmake --build . --config Release
+          ctest --output-on-failure --no-tests=error -C Release
+
+  windows-cmake-test:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-2019
+          - os: windows-2022
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+
+      - name: Configure
+        shell: cmd
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=%LIBRARY% -DBUILD_TESTING=ON ..
+
+      - name: Build tests (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests --config Debug
+
+      - name: Run tests (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          ctest --output-on-failure --no-tests=error -C Debug
+
+      - name: Build tests (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests --config Release
+
+      - name: Run tests (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          ctest --output-on-failure --no-tests=error -C Release

CMakeLists.txt

@@ -1,9 +1,9 @@
 # Generated by `boostdep --cmake function`
-# Copyright 2020 Peter Dimov
+# Copyright 2020, 2021 Peter Dimov
 # Distributed under the Boost Software License, Version 1.0.
 # https://www.boost.org/LICENSE_1_0.txt
 
-cmake_minimum_required(VERSION 3.5...3.16)
+cmake_minimum_required(VERSION 3.8...3.20)
 
 project(boost_function VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
@@ -18,17 +18,13 @@ target_link_libraries(boost_function
     Boost::bind
     Boost::config
     Boost::core
-    Boost::integer
-    Boost::preprocessor
     Boost::throw_exception
-    Boost::type_index
-    Boost::type_traits
-    Boost::typeof
 )
 
+target_compile_features(boost_function INTERFACE cxx_std_11)
+
 if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
 
   add_subdirectory(test)
 
 endif()
-

README.md

@@ -7,9 +7,9 @@ into the C++11 standard as [`std::function`](https://en.cppreference.com/w/cpp/u
 
 ## Currently supported compilers
 
-* g++ 4.8 or later
+* g++ 4.7 or later
 * clang++ 3.9 or later
-* Visual Studio 2005-2022
+* Visual Studio 2013-2022
 
 Tested on [Github Actions](https://github.com/boostorg/function/actions) and [Appveyor](https://ci.appveyor.com/project/pdimov/function/).
 

appveyor.yml

@@ -14,9 +14,6 @@ branches:
 
 environment:
   matrix:
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      TOOLSET: msvc-9.0,msvc-10.0,msvc-11.0
-      ADDRMD: 32
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       TOOLSET: msvc-12.0,msvc-14.0
       ADDRMD: 32,64
@@ -24,6 +21,10 @@ environment:
       TOOLSET: msvc-14.1
       CXXSTD: 14,17
       ADDRMD: 32,64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: clang-win
+      CXXSTD: 14,17,latest
+      ADDRMD: 64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       TOOLSET: clang-win
       CXXSTD: 14,17,latest
@@ -31,19 +32,19 @@ environment:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       ADDPATH: C:\cygwin\bin;
       TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       ADDPATH: C:\cygwin64\bin;
       TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       ADDPATH: C:\mingw\bin;
       TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       ADDPATH: C:\mingw-w64\x86_64-6.3.0-posix-seh-rt_v5-rev1\mingw64\bin;
       TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
 
 install:
   - set BOOST_BRANCH=develop

build.jam

@@ -0,0 +1,24 @@
+# Copyright 2023-2024 René Ferdinand Rivera Morell
+# Copyright 2024 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# https://www.boost.org/LICENSE_1_0.txt
+
+require-b2 5.2 ;
+
+constant boost_dependencies :
+    /boost/assert//boost_assert
+    /boost/bind//boost_bind
+    /boost/config//boost_config
+    /boost/core//boost_core
+    /boost/throw_exception//boost_throw_exception
+    ;
+
+project /boost/function ;
+
+explicit
+    [ alias boost_function : : : : <include>include <library>$(boost_dependencies) ]
+    [ alias all : boost_function example test ]
+    ;
+
+call-if : boost-library function
+    ;

example/Jamfile

@@ -6,9 +6,13 @@
 # See accompanying file LICENSE_1_0.txt or copy at
 # http://www.boost.org/LICENSE_1_0.txt
 
-import ../../config/checks/config : requires ;
+require-b2 5.0.1 ;
+import-search /boost/config/checks ;
+import config : requires ;
 import testing ;
 
+project : requirements <library>/boost/function//boost_function ;
+
 run bind1st.cpp : : : [ requires cxx98_binders ] ;
 run int_div.cpp ;
 run sum_avg.cpp ;

include/boost/function.hpp

@@ -1,3 +1,6 @@
+#ifndef BOOST_FUNCTION_HPP_INCLUDED
+#define BOOST_FUNCTION_HPP_INCLUDED
+
 // Boost.Function library
 
 //  Copyright Douglas Gregor 2001-2003. Use, modification and
@@ -10,65 +13,6 @@
 // William Kempf, Jesse Jones and Karl Nelson were all very helpful in the
 // design of this library.
 
-#ifndef BOOST_FUNCTION_MAX_ARGS
-#  define BOOST_FUNCTION_MAX_ARGS 10
-#endif // BOOST_FUNCTION_MAX_ARGS
+#include <boost/function/function_template.hpp>
 
-#if !defined(BOOST_FUNCTION_MAX_ARGS_DEFINED) || (BOOST_FUNCTION_MAX_ARGS_DEFINED != BOOST_FUNCTION_MAX_ARGS)
-
-#if !defined(BOOST_FUNCTION_MAX_ARGS_DEFINED)
-#define BOOST_FUNCTION_MAX_ARGS_DEFINED 0
-#endif
-
-#include <functional> // unary_function, binary_function
-
-#include <boost/preprocessor/iterate.hpp>
-#include <boost/config/workaround.hpp>
-
-// Include the prologue here so that the use of file-level iteration
-// in anything that may be included by function_template.hpp doesn't break
-#include <boost/function/detail/prologue.hpp>
-
-// Older Visual Age C++ version do not handle the file iteration well
-#if BOOST_WORKAROUND(__IBMCPP__, >= 500) && BOOST_WORKAROUND(__IBMCPP__, < 800)
-#  if BOOST_FUNCTION_MAX_ARGS >= 0
-#    include <boost/function/function0.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 1
-#    include <boost/function/function1.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 2
-#    include <boost/function/function2.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 3
-#    include <boost/function/function3.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 4
-#    include <boost/function/function4.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 5
-#    include <boost/function/function5.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 6
-#    include <boost/function/function6.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 7
-#    include <boost/function/function7.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 8
-#    include <boost/function/function8.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 9
-#    include <boost/function/function9.hpp>
-#  endif
-#  if BOOST_FUNCTION_MAX_ARGS >= 10
-#    include <boost/function/function10.hpp>
-#  endif
-#else
-// What is the '3' for?
-#  define BOOST_PP_ITERATION_PARAMS_1 (3,(0,BOOST_FUNCTION_MAX_ARGS,<boost/function/detail/function_iterate.hpp>))
-#  include BOOST_PP_ITERATE()
-#  undef BOOST_PP_ITERATION_PARAMS_1
-#endif
-
-#endif // !defined(BOOST_FUNCTION_MAX_ARGS_DEFINED) || (BOOST_FUNCTION_MAX_ARGS_DEFINED != BOOST_FUNCTION_MAX_ARGS)
+#endif // #ifndef BOOST_FUNCTION_HPP_INCLUDED

include/boost/function/detail/function_iterate.hpp

@@ -1,16 +0,0 @@
-// Boost.Function library
-
-//  Copyright Douglas Gregor 2003. Use, modification and
-//  distribution is subject to the Boost Software License, Version
-//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt)
-
-// For more information, see http://www.boost.org
-#if !defined(BOOST_PP_IS_ITERATING)
-# error Boost.Function - do not include this file!
-#endif
-
-#define BOOST_FUNCTION_NUM_ARGS BOOST_PP_ITERATION()
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
-

include/boost/function/detail/gen_maybe_include.pl

@@ -1,39 +0,0 @@
-#!/usr/bin/perl -w
-#
-# Boost.Function library
-#
-# Copyright (C) 2001-2003 Douglas Gregor (gregod@cs.rpi.edu)
-#
-# Permission to copy, use, sell and distribute this software is granted
-# provided this copyright notice appears in all copies.
-# Permission to modify the code and to distribute modified code is granted
-# provided this copyright notice appears in all copies, and a notice
-# that the code was modified is included with the copyright notice.
-#
-# This software is provided "as is" without express or implied warranty,
-# and with no claim as to its suitability for any purpose.
-#
-# For more information, see http://www.boost.org
-use English;
-
-$max_args = $ARGV[0];
-
-open (OUT, ">maybe_include.hpp") or die("Cannot write to maybe_include.hpp");
-for($on_arg = 0; $on_arg <= $max_args; ++$on_arg) {
-    if ($on_arg == 0) {
-	print OUT "#if";
-    }
-    else {
-	print OUT "#elif";
-    }
-    print OUT " BOOST_FUNCTION_NUM_ARGS == $on_arg\n";
-    print OUT "#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED\n";
-    print OUT "#  define BOOST_FUNCTION_MAX_ARGS_DEFINED $on_arg\n";
-    print OUT "#  ifndef BOOST_FUNCTION_$on_arg\n";
-    print OUT "#    define BOOST_FUNCTION_$on_arg\n";
-    print OUT "#    include <boost/function/function_template.hpp>\n";
-    print OUT "#  endif\n";
-}
-print OUT "#else\n";
-print OUT "#  error Cannot handle Boost.Function objects that accept more than $max_args arguments!\n";
-print OUT "#endif\n";

include/boost/function/detail/maybe_include.hpp

@@ -1,369 +0,0 @@
-// Boost.Function library
-
-//  Copyright Douglas Gregor 2003. Use, modification and
-//  distribution is subject to the Boost Software License, Version
-//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt)
-
-// For more information, see http://www.boost.org
-
-#if BOOST_FUNCTION_NUM_ARGS == 0
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 0
-#  ifndef BOOST_FUNCTION_0
-#    define BOOST_FUNCTION_0
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 1
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 1
-#  ifndef BOOST_FUNCTION_1
-#    define BOOST_FUNCTION_1
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 2
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 2
-#  ifndef BOOST_FUNCTION_2
-#    define BOOST_FUNCTION_2
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 3
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 3
-#  ifndef BOOST_FUNCTION_3
-#    define BOOST_FUNCTION_3
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 4
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 4
-#  ifndef BOOST_FUNCTION_4
-#    define BOOST_FUNCTION_4
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 5
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 5
-#  ifndef BOOST_FUNCTION_5
-#    define BOOST_FUNCTION_5
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 6
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 6
-#  ifndef BOOST_FUNCTION_6
-#    define BOOST_FUNCTION_6
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 7
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 7
-#  ifndef BOOST_FUNCTION_7
-#    define BOOST_FUNCTION_7
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 8
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 8
-#  ifndef BOOST_FUNCTION_8
-#    define BOOST_FUNCTION_8
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 9
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 9
-#  ifndef BOOST_FUNCTION_9
-#    define BOOST_FUNCTION_9
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 10
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 10
-#  ifndef BOOST_FUNCTION_10
-#    define BOOST_FUNCTION_10
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 11
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 11
-#  ifndef BOOST_FUNCTION_11
-#    define BOOST_FUNCTION_11
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 12
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 12
-#  ifndef BOOST_FUNCTION_12
-#    define BOOST_FUNCTION_12
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 13
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 13
-#  ifndef BOOST_FUNCTION_13
-#    define BOOST_FUNCTION_13
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 14
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 14
-#  ifndef BOOST_FUNCTION_14
-#    define BOOST_FUNCTION_14
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 15
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 15
-#  ifndef BOOST_FUNCTION_15
-#    define BOOST_FUNCTION_15
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 16
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 16
-#  ifndef BOOST_FUNCTION_16
-#    define BOOST_FUNCTION_16
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 17
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 17
-#  ifndef BOOST_FUNCTION_17
-#    define BOOST_FUNCTION_17
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 18
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 18
-#  ifndef BOOST_FUNCTION_18
-#    define BOOST_FUNCTION_18
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 19
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 19
-#  ifndef BOOST_FUNCTION_19
-#    define BOOST_FUNCTION_19
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 20
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 20
-#  ifndef BOOST_FUNCTION_20
-#    define BOOST_FUNCTION_20
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 21
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 21
-#  ifndef BOOST_FUNCTION_21
-#    define BOOST_FUNCTION_21
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 22
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 22
-#  ifndef BOOST_FUNCTION_22
-#    define BOOST_FUNCTION_22
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 23
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 23
-#  ifndef BOOST_FUNCTION_23
-#    define BOOST_FUNCTION_23
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 24
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 24
-#  ifndef BOOST_FUNCTION_24
-#    define BOOST_FUNCTION_24
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 25
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 25
-#  ifndef BOOST_FUNCTION_25
-#    define BOOST_FUNCTION_25
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 26
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 26
-#  ifndef BOOST_FUNCTION_26
-#    define BOOST_FUNCTION_26
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 27
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 27
-#  ifndef BOOST_FUNCTION_27
-#    define BOOST_FUNCTION_27
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 28
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 28
-#  ifndef BOOST_FUNCTION_28
-#    define BOOST_FUNCTION_28
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 29
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 29
-#  ifndef BOOST_FUNCTION_29
-#    define BOOST_FUNCTION_29
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 30
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 30
-#  ifndef BOOST_FUNCTION_30
-#    define BOOST_FUNCTION_30
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 31
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 31
-#  ifndef BOOST_FUNCTION_31
-#    define BOOST_FUNCTION_31
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 32
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 32
-#  ifndef BOOST_FUNCTION_32
-#    define BOOST_FUNCTION_32
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 33
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 33
-#  ifndef BOOST_FUNCTION_33
-#    define BOOST_FUNCTION_33
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 34
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 34
-#  ifndef BOOST_FUNCTION_34
-#    define BOOST_FUNCTION_34
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 35
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 35
-#  ifndef BOOST_FUNCTION_35
-#    define BOOST_FUNCTION_35
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 36
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 36
-#  ifndef BOOST_FUNCTION_36
-#    define BOOST_FUNCTION_36
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 37
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 37
-#  ifndef BOOST_FUNCTION_37
-#    define BOOST_FUNCTION_37
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 38
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 38
-#  ifndef BOOST_FUNCTION_38
-#    define BOOST_FUNCTION_38
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 39
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 39
-#  ifndef BOOST_FUNCTION_39
-#    define BOOST_FUNCTION_39
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 40
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 40
-#  ifndef BOOST_FUNCTION_40
-#    define BOOST_FUNCTION_40
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 41
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 41
-#  ifndef BOOST_FUNCTION_41
-#    define BOOST_FUNCTION_41
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 42
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 42
-#  ifndef BOOST_FUNCTION_42
-#    define BOOST_FUNCTION_42
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 43
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 43
-#  ifndef BOOST_FUNCTION_43
-#    define BOOST_FUNCTION_43
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 44
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 44
-#  ifndef BOOST_FUNCTION_44
-#    define BOOST_FUNCTION_44
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 45
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 45
-#  ifndef BOOST_FUNCTION_45
-#    define BOOST_FUNCTION_45
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 46
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 46
-#  ifndef BOOST_FUNCTION_46
-#    define BOOST_FUNCTION_46
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 47
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 47
-#  ifndef BOOST_FUNCTION_47
-#    define BOOST_FUNCTION_47
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 48
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 48
-#  ifndef BOOST_FUNCTION_48
-#    define BOOST_FUNCTION_48
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 49
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 49
-#  ifndef BOOST_FUNCTION_49
-#    define BOOST_FUNCTION_49
-#    include <boost/function/function_template.hpp>
-#  endif
-#elif BOOST_FUNCTION_NUM_ARGS == 50
-#  undef BOOST_FUNCTION_MAX_ARGS_DEFINED
-#  define BOOST_FUNCTION_MAX_ARGS_DEFINED 50
-#  ifndef BOOST_FUNCTION_50
-#    define BOOST_FUNCTION_50
-#    include <boost/function/function_template.hpp>
-#  endif
-#else
-#  error Cannot handle Boost.Function objects that accept more than 50 arguments!
-#endif

include/boost/function/detail/prologue.hpp

@@ -1,26 +0,0 @@
-// Boost.Function library
-
-//  Copyright Douglas Gregor 2002-2003. Use, modification and
-//  distribution is subject to the Boost Software License, Version
-//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt)
-
-// For more information, see http://www.boost.org
-
-#ifndef BOOST_FUNCTION_PROLOGUE_HPP
-#define BOOST_FUNCTION_PROLOGUE_HPP
-#  include <cassert>
-#  include <algorithm>
-#  include <boost/config/no_tr1/functional.hpp> // unary_function, binary_function
-#  include <boost/throw_exception.hpp>
-#  include <boost/config.hpp>
-#  include <boost/function/function_base.hpp>
-#  include <boost/mem_fn.hpp>
-#  include <boost/type_traits/is_integral.hpp>
-#  include <boost/preprocessor/enum.hpp>
-#  include <boost/preprocessor/enum_params.hpp>
-#  include <boost/preprocessor/cat.hpp>
-#  include <boost/preprocessor/repeat.hpp>
-#  include <boost/preprocessor/inc.hpp>
-#  include <boost/type_traits/is_void.hpp>
-#endif // BOOST_FUNCTION_PROLOGUE_HPP

include/boost/function/function0.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 0
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function1.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 1
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function10.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 10
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function2.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 2
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function3.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 3
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function4.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 4
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function5.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 5
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function6.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 6
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function7.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 7
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function8.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 8
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function9.hpp

@@ -7,6 +7,4 @@
 
 // For more information, see http://www.boost.org
 
-#define BOOST_FUNCTION_NUM_ARGS 9
-#include <boost/function/detail/maybe_include.hpp>
-#undef BOOST_FUNCTION_NUM_ARGS
+#include <boost/function/function_template.hpp>

include/boost/function/function_base.hpp

@@ -11,31 +11,18 @@
 #ifndef BOOST_FUNCTION_BASE_HEADER
 #define BOOST_FUNCTION_BASE_HEADER
 
+#include <boost/function/function_fwd.hpp>
+#include <boost/function_equal.hpp>
+#include <boost/core/typeinfo.hpp>
+#include <boost/core/ref.hpp>
+#include <boost/assert.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
 #include <stdexcept>
 #include <string>
 #include <memory>
 #include <new>
-#include <boost/config.hpp>
-#include <boost/assert.hpp>
-#include <boost/integer.hpp>
-#include <boost/type_index.hpp>
-#include <boost/type_traits/has_trivial_copy.hpp>
-#include <boost/type_traits/has_trivial_destructor.hpp>
-#include <boost/type_traits/is_const.hpp>
-#include <boost/type_traits/is_integral.hpp>
-#include <boost/type_traits/is_volatile.hpp>
-#include <boost/type_traits/composite_traits.hpp>
-#include <boost/ref.hpp>
-#include <boost/type_traits/conditional.hpp>
-#include <boost/config/workaround.hpp>
-#include <boost/type_traits/alignment_of.hpp>
-#ifndef BOOST_NO_SFINAE
-#include <boost/type_traits/enable_if.hpp>
-#else
-#include <boost/type_traits/integral_constant.hpp>
-#endif
-#include <boost/function_equal.hpp>
-#include <boost/function/function_fwd.hpp>
+#include <type_traits>
 
 #if defined(BOOST_MSVC)
 #   pragma warning( push )
@@ -43,16 +30,11 @@
 #   pragma warning( disable : 4127 ) // "conditional expression is constant"
 #endif
 
-#if defined(__ICL) && __ICL <= 600 || defined(__MWERKS__) && __MWERKS__ < 0x2406 && !defined(BOOST_STRICT_CONFIG)
-#  define BOOST_FUNCTION_TARGET_FIX(x) x
-#else
-#  define BOOST_FUNCTION_TARGET_FIX(x)
-#endif // __ICL etc
+// retained because used in a test
+#define BOOST_FUNCTION_TARGET_FIX(x)
 
-#  define BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor,Type)              \
-      typename ::boost::enable_if_<          \
-                           !(::boost::is_integral<Functor>::value), \
-                           Type>::type
+#define BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor,Type) \
+  typename std::enable_if< !std::is_integral<Functor>::value, Type>::type
 
 namespace boost {
   namespace detail {
@@ -74,7 +56,7 @@ namespace boost {
         // For pointers to std::type_info objects
         struct type_t {
           // (get_functor_type_tag, check_functor_type_tag).
-          const boost::typeindex::type_info* type;
+          const boost::core::typeinfo* type;
 
           // Whether the type is const-qualified.
           bool const_qualified;
@@ -119,30 +101,6 @@ namespace boost {
         mutable char data[sizeof(function_buffer_members)];
       };
 
-      /**
-       * The unusable class is a placeholder for unused function arguments
-       * It is also completely unusable except that it constructable from
-       * anything. This helps compilers without partial specialization to
-       * handle Boost.Function objects returning void.
-       */
-      struct unusable
-      {
-        unusable() {}
-        template<typename T> unusable(const T&) {}
-      };
-
-      /* Determine the return type. This supports compilers that do not support
-       * void returns or partial specialization by silently changing the return
-       * type to "unusable".
-       */
-      template<typename T> struct function_return_type { typedef T type; };
-
-      template<>
-      struct function_return_type<void>
-      {
-        typedef unusable type;
-      };
-
       // The operation type to perform on the given functor/function pointer
       enum functor_manager_operation_type {
         clone_functor_tag,
@@ -161,15 +119,15 @@ namespace boost {
       template<typename F>
       class get_function_tag
       {
-        typedef typename conditional<(is_pointer<F>::value),
+        typedef typename std::conditional<std::is_pointer<F>::value,
                                    function_ptr_tag,
                                    function_obj_tag>::type ptr_or_obj_tag;
 
-        typedef typename conditional<(is_member_pointer<F>::value),
+        typedef typename std::conditional<std::is_member_pointer<F>::value,
                                    member_ptr_tag,
                                    ptr_or_obj_tag>::type ptr_or_obj_or_mem_tag;
 
-        typedef typename conditional<(is_reference_wrapper<F>::value),
+        typedef typename std::conditional<is_reference_wrapper<F>::value,
                                    function_obj_ref_tag,
                                    ptr_or_obj_or_mem_tag>::type or_ref_tag;
 
@@ -204,7 +162,7 @@ namespace boost {
             {
               // Check whether we have the same type. We can add
               // cv-qualifiers, but we can't take them away.
-              if (*out_buffer.members.type.type == boost::typeindex::type_id<F>()
+              if (*out_buffer.members.type.type == BOOST_CORE_TYPEID(F)
                   && (!in_buffer.members.obj_ref.is_const_qualified
                       || out_buffer.members.type.const_qualified)
                   && (!in_buffer.members.obj_ref.is_volatile_qualified
@@ -216,7 +174,7 @@ namespace boost {
             return;
 
           case get_functor_type_tag:
-            out_buffer.members.type.type = &boost::typeindex::type_id<F>().type_info();
+            out_buffer.members.type.type = &BOOST_CORE_TYPEID(F);
             out_buffer.members.type.const_qualified = in_buffer.members.obj_ref.is_const_qualified;
             out_buffer.members.type.volatile_qualified = in_buffer.members.obj_ref.is_volatile_qualified;
             return;
@@ -234,8 +192,8 @@ namespace boost {
         BOOST_STATIC_CONSTANT
           (bool,
            value = ((sizeof(F) <= sizeof(function_buffer) &&
-                     (alignment_of<function_buffer>::value
-                      % alignment_of<F>::value == 0))));
+                     (std::alignment_of<function_buffer>::value
+                      % std::alignment_of<F>::value == 0))));
       };
 
       template <typename F,typename A>
@@ -276,12 +234,12 @@ namespace boost {
           } else if (op == destroy_functor_tag)
             out_buffer.members.func_ptr = 0;
           else if (op == check_functor_type_tag) {
-            if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
+            if (*out_buffer.members.type.type == BOOST_CORE_TYPEID(Functor))
               out_buffer.members.obj_ptr = &in_buffer.members.func_ptr;
             else
               out_buffer.members.obj_ptr = 0;
           } else /* op == get_functor_type_tag */ {
-            out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+            out_buffer.members.type.type = &BOOST_CORE_TYPEID(Functor);
             out_buffer.members.type.const_qualified = false;
             out_buffer.members.type.volatile_qualified = false;
           }
@@ -292,28 +250,27 @@ namespace boost {
         manage_small(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op)
         {
-          if (op == clone_functor_tag || op == move_functor_tag) {
+          if (op == clone_functor_tag) {
             const functor_type* in_functor =
               reinterpret_cast<const functor_type*>(in_buffer.data);
             new (reinterpret_cast<void*>(out_buffer.data)) functor_type(*in_functor);
 
-            if (op == move_functor_tag) {
+          } else if (op == move_functor_tag) {
               functor_type* f = reinterpret_cast<functor_type*>(in_buffer.data);
-              (void)f; // suppress warning about the value of f not being used (MSVC)
+              new (reinterpret_cast<void*>(out_buffer.data)) functor_type(std::move(*f));
               f->~Functor();
-            }
           } else if (op == destroy_functor_tag) {
             // Some compilers (Borland, vc6, ...) are unhappy with ~functor_type.
              functor_type* f = reinterpret_cast<functor_type*>(out_buffer.data);
              (void)f; // suppress warning about the value of f not being used (MSVC)
              f->~Functor();
           } else if (op == check_functor_type_tag) {
-             if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
+             if (*out_buffer.members.type.type == BOOST_CORE_TYPEID(Functor))
               out_buffer.members.obj_ptr = in_buffer.data;
             else
               out_buffer.members.obj_ptr = 0;
           } else /* op == get_functor_type_tag */ {
-            out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+            out_buffer.members.type.type = &BOOST_CORE_TYPEID(Functor);
             out_buffer.members.type.const_qualified = false;
             out_buffer.members.type.volatile_qualified = false;
           }
@@ -337,7 +294,7 @@ namespace boost {
         // Function objects that fit in the small-object buffer.
         static inline void
         manager(const function_buffer& in_buffer, function_buffer& out_buffer,
-                functor_manager_operation_type op, true_type)
+                functor_manager_operation_type op, std::true_type)
         {
           functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op);
         }
@@ -345,7 +302,7 @@ namespace boost {
         // Function objects that require heap allocation
         static inline void
         manager(const function_buffer& in_buffer, function_buffer& out_buffer,
-                functor_manager_operation_type op, false_type)
+                functor_manager_operation_type op, std::false_type)
         {
           if (op == clone_functor_tag) {
             // Clone the functor
@@ -367,12 +324,12 @@ namespace boost {
             delete f;
             out_buffer.members.obj_ptr = 0;
           } else if (op == check_functor_type_tag) {
-            if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
+            if (*out_buffer.members.type.type == BOOST_CORE_TYPEID(Functor))
               out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
             else
               out_buffer.members.obj_ptr = 0;
           } else /* op == get_functor_type_tag */ {
-            out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+            out_buffer.members.type.type = &BOOST_CORE_TYPEID(Functor);
             out_buffer.members.type.const_qualified = false;
             out_buffer.members.type.volatile_qualified = false;
           }
@@ -386,7 +343,7 @@ namespace boost {
                 functor_manager_operation_type op, function_obj_tag)
         {
           manager(in_buffer, out_buffer, op,
-                  integral_constant<bool, (function_allows_small_object_optimization<functor_type>::value)>());
+                  std::integral_constant<bool, (function_allows_small_object_optimization<functor_type>::value)>());
         }
 
         // For member pointers, we use the small-object optimization buffer.
@@ -394,7 +351,7 @@ namespace boost {
         manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, member_ptr_tag)
         {
-          manager(in_buffer, out_buffer, op, true_type());
+          manager(in_buffer, out_buffer, op, std::true_type());
         }
 
       public:
@@ -406,7 +363,7 @@ namespace boost {
         {
           typedef typename get_function_tag<functor_type>::type tag_type;
           if (op == get_functor_type_tag) {
-            out_buffer.members.type.type = &boost::typeindex::type_id<functor_type>().type_info();
+            out_buffer.members.type.type = &BOOST_CORE_TYPEID(functor_type);
             out_buffer.members.type.const_qualified = false;
             out_buffer.members.type.volatile_qualified = false;
           } else {
@@ -432,7 +389,7 @@ namespace boost {
         // Function objects that fit in the small-object buffer.
         static inline void
         manager(const function_buffer& in_buffer, function_buffer& out_buffer,
-                functor_manager_operation_type op, true_type)
+                functor_manager_operation_type op, std::true_type)
         {
           functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op);
         }
@@ -440,17 +397,12 @@ namespace boost {
         // Function objects that require heap allocation
         static inline void
         manager(const function_buffer& in_buffer, function_buffer& out_buffer,
-                functor_manager_operation_type op, false_type)
+                functor_manager_operation_type op, std::false_type)
         {
           typedef functor_wrapper<Functor,Allocator> functor_wrapper_type;
-#if defined(BOOST_NO_CXX11_ALLOCATOR)
-          typedef typename Allocator::template rebind<functor_wrapper_type>::other
-            wrapper_allocator_type;
-          typedef typename wrapper_allocator_type::pointer wrapper_allocator_pointer_type;
-#else
+
           using wrapper_allocator_type = typename std::allocator_traits<Allocator>::template rebind_alloc<functor_wrapper_type>;
           using wrapper_allocator_pointer_type = typename std::allocator_traits<wrapper_allocator_type>::pointer;
-#endif
 
           if (op == clone_functor_tag) {
             // Clone the functor
@@ -460,11 +412,7 @@ namespace boost {
               static_cast<const functor_wrapper_type*>(in_buffer.members.obj_ptr);
             wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*f));
             wrapper_allocator_pointer_type copy = wrapper_allocator.allocate(1);
-#if defined(BOOST_NO_CXX11_ALLOCATOR)
-            wrapper_allocator.construct(copy, *f);
-#else
             std::allocator_traits<wrapper_allocator_type>::construct(wrapper_allocator, copy, *f);
-#endif
 
             // Get back to the original pointer type
             functor_wrapper_type* new_f = static_cast<functor_wrapper_type*>(copy);
@@ -477,20 +425,16 @@ namespace boost {
             functor_wrapper_type* victim =
               static_cast<functor_wrapper_type*>(in_buffer.members.obj_ptr);
             wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*victim));
-#if defined(BOOST_NO_CXX11_ALLOCATOR)
-            wrapper_allocator.destroy(victim);
-#else
             std::allocator_traits<wrapper_allocator_type>::destroy(wrapper_allocator, victim);
-#endif
             wrapper_allocator.deallocate(victim,1);
             out_buffer.members.obj_ptr = 0;
           } else if (op == check_functor_type_tag) {
-            if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
+            if (*out_buffer.members.type.type == BOOST_CORE_TYPEID(Functor))
               out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
             else
               out_buffer.members.obj_ptr = 0;
           } else /* op == get_functor_type_tag */ {
-            out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+            out_buffer.members.type.type = &BOOST_CORE_TYPEID(Functor);
             out_buffer.members.type.const_qualified = false;
             out_buffer.members.type.volatile_qualified = false;
           }
@@ -504,7 +448,7 @@ namespace boost {
                 functor_manager_operation_type op, function_obj_tag)
         {
           manager(in_buffer, out_buffer, op,
-                  integral_constant<bool, (function_allows_small_object_optimization<functor_type>::value)>());
+                  std::integral_constant<bool, (function_allows_small_object_optimization<functor_type>::value)>());
         }
 
       public:
@@ -516,7 +460,7 @@ namespace boost {
         {
           typedef typename get_function_tag<functor_type>::type tag_type;
           if (op == get_functor_type_tag) {
-            out_buffer.members.type.type = &boost::typeindex::type_id<functor_type>().type_info();
+            out_buffer.members.type.type = &BOOST_CORE_TYPEID(functor_type);
             out_buffer.members.type.const_qualified = false;
             out_buffer.members.type.volatile_qualified = false;
           } else {
@@ -528,65 +472,6 @@ namespace boost {
       // A type that is only used for comparisons against zero
       struct useless_clear_type {};
 
-#ifdef BOOST_NO_SFINAE
-      // These routines perform comparisons between a Boost.Function
-      // object and an arbitrary function object (when the last
-      // parameter is false_type) or against zero (when the
-      // last parameter is true_type). They are only necessary
-      // for compilers that don't support SFINAE.
-      template<typename Function, typename Functor>
-        bool
-        compare_equal(const Function& f, const Functor&, int, true_type)
-        { return f.empty(); }
-
-      template<typename Function, typename Functor>
-        bool
-        compare_not_equal(const Function& f, const Functor&, int,
-                          true_type)
-        { return !f.empty(); }
-
-      template<typename Function, typename Functor>
-        bool
-        compare_equal(const Function& f, const Functor& g, long,
-                      false_type)
-        {
-          if (const Functor* fp = f.template target<Functor>())
-            return function_equal(*fp, g);
-          else return false;
-        }
-
-      template<typename Function, typename Functor>
-        bool
-        compare_equal(const Function& f, const reference_wrapper<Functor>& g,
-                      int, false_type)
-        {
-          if (const Functor* fp = f.template target<Functor>())
-            return fp == g.get_pointer();
-          else return false;
-        }
-
-      template<typename Function, typename Functor>
-        bool
-        compare_not_equal(const Function& f, const Functor& g, long,
-                          false_type)
-        {
-          if (const Functor* fp = f.template target<Functor>())
-            return !function_equal(*fp, g);
-          else return true;
-        }
-
-      template<typename Function, typename Functor>
-        bool
-        compare_not_equal(const Function& f,
-                          const reference_wrapper<Functor>& g, int,
-                          false_type)
-        {
-          if (const Functor* fp = f.template target<Functor>())
-            return fp != g.get_pointer();
-          else return true;
-        }
-#endif // BOOST_NO_SFINAE
-
       /**
        * Stores the "manager" portion of the vtable for a
        * boost::function object.
@@ -616,9 +501,9 @@ public:
 
   /** Retrieve the type of the stored function object, or type_id<void>()
       if this is empty. */
-  const boost::typeindex::type_info& target_type() const
+  const boost::core::typeinfo& target_type() const
   {
-    if (!vtable) return boost::typeindex::type_id<void>().type_info();
+    if (!vtable) return BOOST_CORE_TYPEID(void);
 
     detail::function::function_buffer type;
     get_vtable()->manager(functor, type, detail::function::get_functor_type_tag);
@@ -631,9 +516,9 @@ public:
       if (!vtable) return 0;
 
       detail::function::function_buffer type_result;
-      type_result.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
-      type_result.members.type.const_qualified = is_const<Functor>::value;
-      type_result.members.type.volatile_qualified = is_volatile<Functor>::value;
+      type_result.members.type.type = &BOOST_CORE_TYPEID(Functor);
+      type_result.members.type.const_qualified = std::is_const<Functor>::value;
+      type_result.members.type.volatile_qualified = std::is_volatile<Functor>::value;
       get_vtable()->manager(functor, type_result,
                       detail::function::check_functor_type_tag);
       return static_cast<Functor*>(type_result.members.obj_ptr);
@@ -645,9 +530,9 @@ public:
       if (!vtable) return 0;
 
       detail::function::function_buffer type_result;
-      type_result.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+      type_result.members.type.type = &BOOST_CORE_TYPEID(Functor);
       type_result.members.type.const_qualified = true;
-      type_result.members.type.volatile_qualified = is_volatile<Functor>::value;
+      type_result.members.type.volatile_qualified = std::is_volatile<Functor>::value;
       get_vtable()->manager(functor, type_result,
                       detail::function::check_functor_type_tag);
       // GCC 2.95.3 gets the CV qualifiers wrong here, so we
@@ -656,7 +541,8 @@ public:
     }
 
   template<typename F>
-    bool contains(const F& f) const
+    typename std::enable_if< !std::is_function<F>::value, bool >::type
+    contains(const F& f) const
     {
       if (const F* fp = this->template target<F>())
       {
@@ -666,29 +552,19 @@ public:
       }
     }
 
-#if defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3
-  // GCC 3.3 and newer cannot copy with the global operator==, due to
-  // problems with instantiation of function return types before it
-  // has been verified that the argument types match up.
-  template<typename Functor>
-    BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
-    operator==(Functor g) const
+  template<typename Fn>
+    typename std::enable_if< std::is_function<Fn>::value, bool >::type
+    contains(Fn& f) const
     {
-      if (const Functor* fp = target<Functor>())
-        return function_equal(*fp, g);
-      else return false;
+      typedef Fn* F;
+      if (const F* fp = this->template target<F>())
+      {
+        return function_equal(*fp, &f);
+      } else {
+        return false;
+      }
     }
 
-  template<typename Functor>
-    BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
-    operator!=(Functor g) const
-    {
-      if (const Functor* fp = target<Functor>())
-        return !function_equal(*fp, g);
-      else return true;
-    }
-#endif
-
 public: // should be protected, but GCC 2.95.3 will fail to allow access
   detail::function::vtable_base* get_vtable() const {
     return reinterpret_cast<detail::function::vtable_base*>(
@@ -720,7 +596,6 @@ public:
 #   pragma clang diagnostic pop
 #endif
 
-#ifndef BOOST_NO_SFINAE
 inline bool operator==(const function_base& f,
                        detail::function::useless_clear_type*)
 {
@@ -744,43 +619,10 @@ inline bool operator!=(detail::function::useless_clear_type*,
 {
   return !f.empty();
 }
-#endif
 
-#ifdef BOOST_NO_SFINAE
-// Comparisons between boost::function objects and arbitrary function objects
-template<typename Functor>
-  inline bool operator==(const function_base& f, Functor g)
-  {
-    typedef integral_constant<bool, (is_integral<Functor>::value)> integral;
-    return detail::function::compare_equal(f, g, 0, integral());
-  }
-
-template<typename Functor>
-  inline bool operator==(Functor g, const function_base& f)
-  {
-    typedef integral_constant<bool, (is_integral<Functor>::value)> integral;
-    return detail::function::compare_equal(f, g, 0, integral());
-  }
-
-template<typename Functor>
-  inline bool operator!=(const function_base& f, Functor g)
-  {
-    typedef integral_constant<bool, (is_integral<Functor>::value)> integral;
-    return detail::function::compare_not_equal(f, g, 0, integral());
-  }
-
-template<typename Functor>
-  inline bool operator!=(Functor g, const function_base& f)
-  {
-    typedef integral_constant<bool, (is_integral<Functor>::value)> integral;
-    return detail::function::compare_not_equal(f, g, 0, integral());
-  }
-#else
-
-#  if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
 // Comparisons between boost::function objects and arbitrary function
-// objects. GCC 3.3 and before has an obnoxious bug that prevents this
-// from working.
+// objects.
+
 template<typename Functor>
   BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
   operator==(const function_base& f, Functor g)
@@ -816,7 +658,6 @@ template<typename Functor>
       return !function_equal(g, *fp);
     else return true;
   }
-#  endif
 
 template<typename Functor>
   BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
@@ -854,8 +695,6 @@ template<typename Functor>
     else return true;
   }
 
-#endif // Compiler supporting SFINAE
-
 namespace detail {
   namespace function {
     inline bool has_empty_target(const function_base* f)

include/boost/function/function_fwd.hpp

@@ -10,24 +10,9 @@
 #define BOOST_FUNCTION_FWD_HPP
 #include <boost/config.hpp>
 
-#if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730 && !defined(BOOST_STRICT_CONFIG)
-// Work around a compiler bug.
-// boost::python::objects::function has to be seen by the compiler before the
-// boost::function class template.
-namespace boost { namespace python { namespace objects {
-  class function;
-}}}
-#endif
-
-#if defined(BOOST_BCB_PARTIAL_SPECIALIZATION_BUG)                         \
- || !(defined(BOOST_STRICT_CONFIG) || !defined(__SUNPRO_CC) || __SUNPRO_CC > 0x540)
-#  define BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX
-#endif
-
 namespace boost {
   class bad_function_call;
 
-#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
   // Preferred syntax
   template<typename Signature> class function;
 
@@ -36,34 +21,44 @@ namespace boost {
   {
     f1.swap(f2);
   }
-#endif // have partial specialization
 
   // Portable syntax
-  template<typename R> class function0;
-  template<typename R, typename T1> class function1;
-  template<typename R, typename T1, typename T2> class function2;
-  template<typename R, typename T1, typename T2, typename T3> class function3;
-  template<typename R, typename T1, typename T2, typename T3, typename T4> 
-    class function4;
-  template<typename R, typename T1, typename T2, typename T3, typename T4,
-           typename T5> 
-    class function5;
-  template<typename R, typename T1, typename T2, typename T3, typename T4,
-           typename T5, typename T6> 
-    class function6;
-  template<typename R, typename T1, typename T2, typename T3, typename T4,
-           typename T5, typename T6, typename T7> 
-    class function7;
-  template<typename R, typename T1, typename T2, typename T3, typename T4,
-           typename T5, typename T6, typename T7, typename T8> 
-    class function8;
-  template<typename R, typename T1, typename T2, typename T3, typename T4,
-           typename T5, typename T6, typename T7, typename T8, typename T9> 
-    class function9;
-  template<typename R, typename T1, typename T2, typename T3, typename T4,
-           typename T5, typename T6, typename T7, typename T8, typename T9,
-           typename T10> 
-    class function10;
+  template<typename R, typename... T> class function_n;
+
+  template<typename R, typename... T> using function0 = function_n<R, T...>;
+  template<typename R, typename... T> using function1 = function_n<R, T...>;
+  template<typename R, typename... T> using function2 = function_n<R, T...>;
+  template<typename R, typename... T> using function3 = function_n<R, T...>;
+  template<typename R, typename... T> using function4 = function_n<R, T...>;
+  template<typename R, typename... T> using function5 = function_n<R, T...>;
+  template<typename R, typename... T> using function6 = function_n<R, T...>;
+  template<typename R, typename... T> using function7 = function_n<R, T...>;
+  template<typename R, typename... T> using function8 = function_n<R, T...>;
+  template<typename R, typename... T> using function9 = function_n<R, T...>;
+
+  template<typename R, typename... T> using function10 = function_n<R, T...>;
+  template<typename R, typename... T> using function11 = function_n<R, T...>;
+  template<typename R, typename... T> using function12 = function_n<R, T...>;
+  template<typename R, typename... T> using function13 = function_n<R, T...>;
+  template<typename R, typename... T> using function14 = function_n<R, T...>;
+  template<typename R, typename... T> using function15 = function_n<R, T...>;
+  template<typename R, typename... T> using function16 = function_n<R, T...>;
+  template<typename R, typename... T> using function17 = function_n<R, T...>;
+  template<typename R, typename... T> using function18 = function_n<R, T...>;
+  template<typename R, typename... T> using function19 = function_n<R, T...>;
+
+  template<typename R, typename... T> using function20 = function_n<R, T...>;
+  template<typename R, typename... T> using function21 = function_n<R, T...>;
+  template<typename R, typename... T> using function22 = function_n<R, T...>;
+  template<typename R, typename... T> using function23 = function_n<R, T...>;
+  template<typename R, typename... T> using function24 = function_n<R, T...>;
+  template<typename R, typename... T> using function25 = function_n<R, T...>;
+  template<typename R, typename... T> using function26 = function_n<R, T...>;
+  template<typename R, typename... T> using function27 = function_n<R, T...>;
+  template<typename R, typename... T> using function28 = function_n<R, T...>;
+  template<typename R, typename... T> using function29 = function_n<R, T...>;
+
+  template<typename R, typename... T> using function30 = function_n<R, T...>;
 }
 
 #endif

include/boost/function/function_typeof.hpp

@@ -9,37 +9,7 @@
 #ifndef BOOST_FUNCTION_TYPEOF_HPP
 #define BOOST_FUNCTION_TYPEOF_HPP
 #include <boost/function/function_fwd.hpp>
-#include <boost/typeof/typeof.hpp>
 
-#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
+// This header is no longer necessary and is only retained for compatibility
 
-BOOST_TYPEOF_REGISTER_TYPE(boost::bad_function_call)
-
-#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function, (typename))
-#endif
-
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function0, (typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function1, (typename)(typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function2, (typename)(typename)(typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function3, 
-  (typename)(typename)(typename)(typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function4, 
-  (typename)(typename)(typename)(typename)(typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function5, 
-  (typename)(typename)(typename)(typename)(typename)(typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function6, 
-  (typename)(typename)(typename)(typename)(typename)(typename)(typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function7, 
-  (typename)(typename)(typename)(typename)(typename)(typename)(typename)
-  (typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function8, 
-  (typename)(typename)(typename)(typename)(typename)(typename)(typename)
-  (typename)(typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function9, 
-  (typename)(typename)(typename)(typename)(typename)(typename)(typename)
-  (typename)(typename)(typename))
-BOOST_TYPEOF_REGISTER_TEMPLATE(boost::function10, 
-  (typename)(typename)(typename)(typename)(typename)(typename)(typename)
-  (typename)(typename)(typename)(typename))
 #endif

include/boost/function/gen_function_N.pl

@@ -1,26 +0,0 @@
-#!/usr/bin/perl -w
-#
-# Boost.Function library
-#
-# Copyright Douglas Gregor 2001-2003. Use, modification and
-# distribution is subject to the Boost Software License, Version
-# 1.0. (See accompanying file LICENSE_1_0.txt or copy at
-# http://www.boost.org/LICENSE_1_0.txt)
-#
-# For more information, see http://www.boost.org
-use English;
-
-if ($#ARGV < 0) {
-  print "Usage: perl gen_function_N <number of arguments>\n";
-  exit;
-}
-
-
-$totalNumArgs = $ARGV[0];
-for ($numArgs = 0; $numArgs <= $totalNumArgs; ++$numArgs) {
-  open OUT, ">function$numArgs.hpp";
-  print OUT "#define BOOST_FUNCTION_NUM_ARGS $numArgs\n";
-  print OUT "#include <boost/function/detail/maybe_include.hpp>\n";
-  print OUT "#undef BOOST_FUNCTION_NUM_ARGS\n";
-  close OUT;
-}

meta/libraries.json

@@ -15,5 +15,5 @@
     "maintainers": [
         "Peter Dimov <pdimov -at- gmail.com>"
     ],
-    "cxxstd": "03"
+    "cxxstd": "11"
 }

test/CMakeLists.txt

@@ -6,6 +6,6 @@ include(BoostTestJamfile OPTIONAL RESULT_VARIABLE HAVE_BOOST_TEST)
 
 if(HAVE_BOOST_TEST)
 
-boost_test_jamfile(FILE Jamfile.v2 LINK_LIBRARIES Boost::function Boost::core Boost::lambda)
+boost_test_jamfile(FILE Jamfile.v2 LINK_LIBRARIES Boost::function Boost::core Boost::lambda Boost::move)
 
 endif()

test/Jamfile.v2

@@ -16,15 +16,18 @@ project
     <toolset>msvc:<warnings-as-errors>on
     <toolset>gcc:<warnings-as-errors>on
     <toolset>clang:<warnings-as-errors>on
+    <library>/boost/function//boost_function
+    <library>/boost/typeof//boost_typeof
   ;
 
 run function_test.cpp ;
 # /usr/include/c++/4.4/bits/shared_ptr.h:146: error: cannot use typeid with -fno-rtti
-run function_test.cpp : : : <rtti>off <toolset>gcc-4.4.7,<cxxstd>0x:<build>no : function_test_no_rtti ;
+run function_test.cpp : : : <rtti>off <toolset>gcc-4.4,<cxxstd>0x:<build>no : function_test_no_rtti ;
 run function_n_test.cpp ;
 run allocator_test.cpp ;
 run stateless_test.cpp ;
-run lambda_test.cpp ;
+run lambda_test.cpp
+  : : : <library>/boost/lambda//boost_lambda ;
 compile-fail function_test_fail1.cpp ;
 compile-fail function_test_fail2.cpp ;
 compile function_30.cpp ;
@@ -42,9 +45,12 @@ run function_ref_portable.cpp ;
 run contains_test.cpp ;
 run contains2_test.cpp ;
 run nothrow_swap.cpp ;
-run rvalues_test.cpp ;
-compile function_typeof_test.cpp ;
+run rvalues_test.cpp
+  : : : <library>/boost/move//boost_move ;
+compile function_typeof_test.cpp
+  : <cxxstd>03:<build>no <cxxstd>98:<build>no <cxxstd>0x:<build>no ;
 run result_arg_types_test.cpp ;
+run result_arg_n_types_test.cpp ;
 
 lib throw_bad_function_call : throw_bad_function_call.cpp : <link>shared:<define>THROW_BAD_FUNCTION_CALL_DYN_LINK=1 ;
 
@@ -56,9 +62,6 @@ lib mixed_cxxstd : mixed_cxxstd.cpp : <link>shared:<define>MIXED_CXXSTD_DYN_LINK
 run test_mixed_cxxstd.cpp mixed_cxxstd : : : <link>shared : mixed_cxxstd_shared ;
 run test_mixed_cxxstd.cpp mixed_cxxstd : : : <link>static : mixed_cxxstd_static ;
 
-run test_mixed_cxxstd.cpp mixed_cxxstd/<cxxstd>98 : : : <link>shared : mixed_cxxstd_shared_98 ;
-run test_mixed_cxxstd.cpp mixed_cxxstd/<cxxstd>98 : : : <link>static : mixed_cxxstd_static_98 ;
-
 run test_mixed_cxxstd.cpp mixed_cxxstd/<cxxstd>0x : : : <link>shared : mixed_cxxstd_shared_0x ;
 run test_mixed_cxxstd.cpp mixed_cxxstd/<cxxstd>0x : : : <link>static : mixed_cxxstd_static_0x ;
 
@@ -72,9 +75,6 @@ lib return_function : return_function.cpp : <link>shared:<define>RETURN_FUNCTION
 run test_return_function.cpp return_function : : : <link>shared : return_function_shared ;
 run test_return_function.cpp return_function : : : <link>static : return_function_static ;
 
-run test_return_function.cpp return_function/<cxxstd>98 : : : <link>shared : return_function_shared_98 ;
-run test_return_function.cpp return_function/<cxxstd>98 : : : <link>static : return_function_static_98 ;
-
 run test_return_function.cpp return_function/<cxxstd>0x : : : <link>shared : return_function_shared_0x ;
 run test_return_function.cpp return_function/<cxxstd>0x : : : <link>static : return_function_static_0x ;
 
@@ -84,3 +84,14 @@ run test_return_function.cpp return_function/<cxxstd>14 : : : <link>static $(che
 run quick.cpp ;
 
 compile issue_42.cpp ;
+
+run fn_eq_bind_test.cpp ;
+
+# /usr/include/c++/4.4/bits/shared_ptr.h:146: error: cannot use typeid with -fno-rtti
+run contains_test.cpp : : : <rtti>off <toolset>gcc-4.4,<cxxstd>0x:<build>no : contains_test_no_rtti ;
+run contains2_test.cpp : : : <rtti>off <toolset>gcc-4.4,<cxxstd>0x:<build>no : contains2_test_no_rtti ;
+
+run contains3_test.cpp ;
+run contains3_test.cpp : : : <rtti>off <toolset>gcc-4.4,<cxxstd>0x:<build>no : contains3_test_no_rtti ;
+
+compile issue_53.cpp ;

test/cmake_install_test/CMakeLists.txt

@@ -14,4 +14,4 @@ target_link_libraries(main Boost::function)
 enable_testing()
 add_test(main main)
 
-add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)
+add_custom_target(check VERBATIM COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)

test/cmake_subdir_test/CMakeLists.txt

@@ -2,41 +2,32 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.5...3.20)
 
 project(cmake_subdir_test LANGUAGES CXX)
 
 add_subdirectory(../.. boostorg/function)
 
-# boost_add_subdir
+set(deps
 
-function(boost_add_subdir name)
+# Primary dependencies
 
-    add_subdirectory(../../../${name} boostorg/${name})
+assert
+bind
+config
+core
+throw_exception
 
-endfunction()
+# Secondary dependencies
 
-# primary dependencies
+static_assert
+)
 
-boost_add_subdir(assert)
-boost_add_subdir(bind)
-boost_add_subdir(config)
-boost_add_subdir(core)
-boost_add_subdir(integer)
-boost_add_subdir(preprocessor)
-boost_add_subdir(throw_exception)
-boost_add_subdir(type_index)
-boost_add_subdir(type_traits)
-boost_add_subdir(typeof)
+foreach(dep IN LISTS deps)
 
-# secondary dependencies
+  add_subdirectory(../../../${dep} boostorg/${dep})
 
-boost_add_subdir(static_assert)
-boost_add_subdir(container_hash)
-boost_add_subdir(smart_ptr)
-boost_add_subdir(detail)
-boost_add_subdir(move)
-boost_add_subdir(predef)
+endforeach()
 
 # --target check
 
@@ -46,4 +37,4 @@ target_link_libraries(quick Boost::function Boost::core)
 enable_testing()
 add_test(quick quick)
 
-add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)
+add_custom_target(check VERBATIM COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure -C $<CONFIG>)

test/contains3_test.cpp

@@ -0,0 +1,33 @@
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/function.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+static int f()
+{
+    return 1;
+}
+
+static int g()
+{
+    return 2;
+}
+
+int main()
+{
+    {
+        boost::function<int()> fn;
+        BOOST_TEST( !fn.contains( f ) );
+        BOOST_TEST( !fn.contains( g ) );
+    }
+
+    {
+        boost::function<int()> fn( f );
+        BOOST_TEST( fn.contains( f ) );
+        BOOST_TEST( !fn.contains( g ) );
+    }
+
+    return boost::report_errors();
+}

test/contains_test.cpp

@@ -33,7 +33,7 @@ bool operator==(const ReturnInt& x, const ReturnInt& y)
 bool operator!=(const ReturnInt& x, const ReturnInt& y)
 { return x.value != y.value; }
 
-namespace contain_test {
+namespace contains_test {
 
 struct ReturnIntFE
 {
@@ -44,34 +44,10 @@ struct ReturnIntFE
   int value;
 };
 
-}
-
-#ifndef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
-
-namespace contain_test {
-# ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
 bool function_equal(const ReturnIntFE& x, const ReturnIntFE& y)
 { return x.value == y.value; }
-# else
-bool function_equal_impl(const ReturnIntFE& x, const ReturnIntFE& y, int)
-{ return x.value == y.value; }
-# endif // #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
-}
-#else // BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
-namespace boost {
-# ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
-bool 
-function_equal(const contain_test::ReturnIntFE& x, 
-               const contain_test::ReturnIntFE& y)
-{ return x.value == y.value; }
-# else
-bool 
-function_equal_impl(const contain_test::ReturnIntFE& x, 
-                    const contain_test::ReturnIntFE& y, int)
-{ return x.value == y.value; }
-# endif
-}
-#endif
+
+} // namespace contains_test
 
 static void target_test()
 {
@@ -108,10 +84,8 @@ static void equal_test()
   f = &forty_two;
   BOOST_CHECK(f == &forty_two);
   BOOST_CHECK(f != ReturnInt(17));
-#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
   BOOST_CHECK(&forty_two == f);
   BOOST_CHECK(ReturnInt(17) != f);
-#endif
 
   BOOST_CHECK(f.contains(&forty_two));
 
@@ -119,47 +93,37 @@ static void equal_test()
   BOOST_CHECK(f != &forty_two);
   BOOST_CHECK(f == ReturnInt(17));
   BOOST_CHECK(f != ReturnInt(16));
-#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
   BOOST_CHECK(&forty_two != f);
   BOOST_CHECK(ReturnInt(17) == f);
   BOOST_CHECK(ReturnInt(16) != f);
-#endif
 
   BOOST_CHECK(f.contains(ReturnInt(17)));
 
-  f = contain_test::ReturnIntFE(17);
+  f = contains_test::ReturnIntFE(17);
   BOOST_CHECK(f != &forty_two);
-  BOOST_CHECK(f == contain_test::ReturnIntFE(17));
-  BOOST_CHECK(f != contain_test::ReturnIntFE(16));
-#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+  BOOST_CHECK(f == contains_test::ReturnIntFE(17));
+  BOOST_CHECK(f != contains_test::ReturnIntFE(16));
   BOOST_CHECK(&forty_two != f);
-  BOOST_CHECK(contain_test::ReturnIntFE(17) == f);
-  BOOST_CHECK(contain_test::ReturnIntFE(16) != f);
-#endif
+  BOOST_CHECK(contains_test::ReturnIntFE(17) == f);
+  BOOST_CHECK(contains_test::ReturnIntFE(16) != f);
 
-  BOOST_CHECK(f.contains(contain_test::ReturnIntFE(17)));
+  BOOST_CHECK(f.contains(contains_test::ReturnIntFE(17)));
 
-#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
   boost::function<int(void)> g;
 
   g = &forty_two;
   BOOST_CHECK(g == &forty_two);
   BOOST_CHECK(g != ReturnInt(17));
-#  if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
   BOOST_CHECK(&forty_two == g);
   BOOST_CHECK(ReturnInt(17) != g);
-#  endif
 
   g = ReturnInt(17);
   BOOST_CHECK(g != &forty_two);
   BOOST_CHECK(g == ReturnInt(17));
   BOOST_CHECK(g != ReturnInt(16));
-#  if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
   BOOST_CHECK(&forty_two != g);
   BOOST_CHECK(ReturnInt(17) == g);
   BOOST_CHECK(ReturnInt(16) != g);
-#  endif
-#endif
 }
 
 static void ref_equal_test()
@@ -175,10 +139,8 @@ static void ref_equal_test()
     BOOST_CHECK(!(f != boost::ref(ri)));
     BOOST_CHECK(!(f != ri));
     BOOST_CHECK(!(boost::ref(ri) != f));
-#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
     BOOST_CHECK(ri == f);
     BOOST_CHECK(!(ri != f));
-#endif
 
     // Values equal, references inequal
     ReturnInt ri2(17);
@@ -188,13 +150,10 @@ static void ref_equal_test()
     BOOST_CHECK(!(f != ri2));
     BOOST_CHECK(!(f == boost::ref(ri2)));
     BOOST_CHECK(!(boost::ref(ri2) == f));
-#if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
     BOOST_CHECK(ri2 == f);
     BOOST_CHECK(!(ri2 != f));
-#endif 
   }
 
-#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
   {
     ReturnInt ri(17);
     boost::function<int(void)> f = boost::ref(ri);
@@ -206,10 +165,8 @@ static void ref_equal_test()
     BOOST_CHECK(!(f != boost::ref(ri)));
     BOOST_CHECK(!(f != ri));
     BOOST_CHECK(!(boost::ref(ri) != f));
-#  if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
     BOOST_CHECK(ri == f);
     BOOST_CHECK(!(ri != f));
-#  endif
 
     // Values equal, references inequal
     ReturnInt ri2(17);
@@ -219,12 +176,9 @@ static void ref_equal_test()
     BOOST_CHECK(!(f != ri2));
     BOOST_CHECK(!(f == boost::ref(ri2)));
     BOOST_CHECK(!(boost::ref(ri2) == f));
-#  if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
     BOOST_CHECK(ri2 == f);
     BOOST_CHECK(!(ri2 != f));
-#  endif
   }
-#endif
 }
 
 int main()

test/fn_eq_bind_test.cpp

@@ -0,0 +1,87 @@
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/function.hpp>
+#include <boost/bind/bind.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+using namespace boost::placeholders;
+
+int f1() { return 1; }
+int f2() { return 2; }
+
+int main()
+{
+    {
+        boost::function<int()> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    {
+        boost::function<int(int)> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    {
+        boost::function<int(int, int)> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    {
+        boost::function<int(int, int, int)> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    {
+        boost::function<int(int, int, int, int)> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    {
+        boost::function<int(int, int, int, int, int)> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    {
+        boost::function<int(int, int, int, int, int, int)> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    {
+        boost::function<int(int, int, int, int, int, int, int)> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    {
+        boost::function<int(int, int, int, int, int, int, int, int)> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    {
+        boost::function<int(int, int, int, int, int, int, int, int, int)> fn( boost::bind( f1 ) );
+
+        BOOST_TEST( fn == boost::bind( f1 ) );
+        BOOST_TEST( fn != boost::bind( f2 ) );
+    }
+
+    return boost::report_errors();
+}

test/function_test.cpp

@@ -754,7 +754,6 @@ static void test_move_semantics()
   BOOST_CHECK(!f1.empty());
   BOOST_CHECK(global_int == 1);
   
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
   // Testing rvalue constructors
   f1_type f2(static_cast<f1_type&&>(f1));
   BOOST_CHECK(f1.empty());
@@ -796,8 +795,6 @@ static void test_move_semantics()
   BOOST_CHECK(global_int == 5);
   f4 = static_cast<f1_type&&>(f5);
   BOOST_CHECK(global_int == 4);
-  
-#endif  
 }
 
 int main()

test/issue_53.cpp

@@ -0,0 +1,20 @@
+// Copyright 2024 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+//
+// https://github.com/boostorg/function/issues/53
+
+#include <boost/bind/apply.hpp>
+#include <boost/bind/bind.hpp>
+#include <boost/function.hpp>
+
+int TestArg( int, double )
+{
+    return 0;
+}
+
+
+void f()
+{
+    boost::function<int(int)> fn = boost::bind( &TestArg, boost::placeholders::_1, 1.0 );
+}

test/lambda_test.cpp

@@ -28,13 +28,13 @@ int main()
   using namespace boost::lambda;
 
   function <unsigned(bool, double)> f1 = bind(func_impl, 15, _1, _2);
-  BOOST_TEST_EQ( f1(true, 2.0), 30 );
+  BOOST_TEST_EQ( f1(true, 2.0), 30u );
 
   function <unsigned(double)>       f2 = boost::lambda::bind(f1, false, _1);
-  BOOST_TEST_EQ( f2(2.0), 60 );
+  BOOST_TEST_EQ( f2(2.0), 60u );
 
   function <unsigned()>             f3 = boost::lambda::bind(f2, 4.0);
-  BOOST_TEST_EQ( f3(), 120 );
+  BOOST_TEST_EQ( f3(), 120u );
 
   return boost::report_errors();
 }

test/result_arg_n_types_test.cpp

@@ -0,0 +1,146 @@
+// Copyright 2024 Peter Dimov
+// Use, modification and distribution is subject to
+// the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/function.hpp>
+#include <boost/core/lightweight_test_trait.hpp>
+
+struct R {};
+
+struct A1 {};
+struct A2 {};
+struct A3 {};
+struct A4 {};
+struct A5 {};
+struct A6 {};
+struct A7 {};
+struct A8 {};
+struct A9 {};
+struct A10 {};
+
+int main()
+{
+    {
+        typedef boost::function<R()> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+    }
+
+    {
+        typedef boost::function<R(A1)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+    }
+
+    {
+        typedef boost::function<R(A1, A2)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+        BOOST_TEST_TRAIT_SAME(F::arg2_type, A2);
+    }
+
+    {
+        typedef boost::function<R(A1, A2, A3)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+        BOOST_TEST_TRAIT_SAME(F::arg2_type, A2);
+        BOOST_TEST_TRAIT_SAME(F::arg3_type, A3);
+    }
+
+    {
+        typedef boost::function<R(A1, A2, A3, A4)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+        BOOST_TEST_TRAIT_SAME(F::arg2_type, A2);
+        BOOST_TEST_TRAIT_SAME(F::arg3_type, A3);
+        BOOST_TEST_TRAIT_SAME(F::arg4_type, A4);
+    }
+
+    {
+        typedef boost::function<R(A1, A2, A3, A4, A5)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+        BOOST_TEST_TRAIT_SAME(F::arg2_type, A2);
+        BOOST_TEST_TRAIT_SAME(F::arg3_type, A3);
+        BOOST_TEST_TRAIT_SAME(F::arg4_type, A4);
+        BOOST_TEST_TRAIT_SAME(F::arg5_type, A5);
+    }
+
+    {
+        typedef boost::function<R(A1, A2, A3, A4, A5, A6)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+        BOOST_TEST_TRAIT_SAME(F::arg2_type, A2);
+        BOOST_TEST_TRAIT_SAME(F::arg3_type, A3);
+        BOOST_TEST_TRAIT_SAME(F::arg4_type, A4);
+        BOOST_TEST_TRAIT_SAME(F::arg5_type, A5);
+        BOOST_TEST_TRAIT_SAME(F::arg6_type, A6);
+    }
+
+    {
+        typedef boost::function<R(A1, A2, A3, A4, A5, A6, A7)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+        BOOST_TEST_TRAIT_SAME(F::arg2_type, A2);
+        BOOST_TEST_TRAIT_SAME(F::arg3_type, A3);
+        BOOST_TEST_TRAIT_SAME(F::arg4_type, A4);
+        BOOST_TEST_TRAIT_SAME(F::arg5_type, A5);
+        BOOST_TEST_TRAIT_SAME(F::arg6_type, A6);
+        BOOST_TEST_TRAIT_SAME(F::arg7_type, A7);
+    }
+
+    {
+        typedef boost::function<R(A1, A2, A3, A4, A5, A6, A7, A8)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+        BOOST_TEST_TRAIT_SAME(F::arg2_type, A2);
+        BOOST_TEST_TRAIT_SAME(F::arg3_type, A3);
+        BOOST_TEST_TRAIT_SAME(F::arg4_type, A4);
+        BOOST_TEST_TRAIT_SAME(F::arg5_type, A5);
+        BOOST_TEST_TRAIT_SAME(F::arg6_type, A6);
+        BOOST_TEST_TRAIT_SAME(F::arg7_type, A7);
+        BOOST_TEST_TRAIT_SAME(F::arg8_type, A8);
+    }
+
+    {
+        typedef boost::function<R(A1, A2, A3, A4, A5, A6, A7, A8, A9)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+        BOOST_TEST_TRAIT_SAME(F::arg2_type, A2);
+        BOOST_TEST_TRAIT_SAME(F::arg3_type, A3);
+        BOOST_TEST_TRAIT_SAME(F::arg4_type, A4);
+        BOOST_TEST_TRAIT_SAME(F::arg5_type, A5);
+        BOOST_TEST_TRAIT_SAME(F::arg6_type, A6);
+        BOOST_TEST_TRAIT_SAME(F::arg7_type, A7);
+        BOOST_TEST_TRAIT_SAME(F::arg8_type, A8);
+        BOOST_TEST_TRAIT_SAME(F::arg9_type, A9);
+    }
+
+    {
+        typedef boost::function<R(A1, A2, A3, A4, A5, A6, A7, A8, A9, A10)> F;
+
+        BOOST_TEST_TRAIT_SAME(F::result_type, R);
+        BOOST_TEST_TRAIT_SAME(F::arg1_type, A1);
+        BOOST_TEST_TRAIT_SAME(F::arg2_type, A2);
+        BOOST_TEST_TRAIT_SAME(F::arg3_type, A3);
+        BOOST_TEST_TRAIT_SAME(F::arg4_type, A4);
+        BOOST_TEST_TRAIT_SAME(F::arg5_type, A5);
+        BOOST_TEST_TRAIT_SAME(F::arg6_type, A6);
+        BOOST_TEST_TRAIT_SAME(F::arg7_type, A7);
+        BOOST_TEST_TRAIT_SAME(F::arg8_type, A8);
+        BOOST_TEST_TRAIT_SAME(F::arg9_type, A9);
+        BOOST_TEST_TRAIT_SAME(F::arg10_type, A10);
+    }
+
+    return boost::report_errors();
+}

test/result_arg_types_test.cpp

@@ -8,7 +8,6 @@
 //  http://www.boost.org/LICENSE_1_0.txt)
 
 #include <boost/function.hpp>
-#include <boost/core/is_same.hpp>
 #include <boost/core/lightweight_test_trait.hpp>
 
 struct X
@@ -27,14 +26,14 @@ int main()
 {
     typedef boost::function<X(Y)> F1;
 
-    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F1::result_type, X> ));
-    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F1::argument_type, Y> ));
+    BOOST_TEST_TRAIT_SAME(F1::result_type, X);
+    BOOST_TEST_TRAIT_SAME(F1::argument_type, Y);
 
     typedef boost::function<X(Y, Z)> F2;
 
-    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::result_type, X> ));
-    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::first_argument_type, Y> ));
-    BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::second_argument_type, Z> ));
+    BOOST_TEST_TRAIT_SAME(F2::result_type, X);
+    BOOST_TEST_TRAIT_SAME(F2::first_argument_type, Y);
+    BOOST_TEST_TRAIT_SAME(F2::second_argument_type, Z);
 
     return boost::report_errors();
 }

test/rvalues_test.cpp

@@ -59,10 +59,8 @@ struct sum_struct {
     }
 };
 
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
 int three(std::string&&) { return 1; }
 std::string&& four(std::string&& s) { return boost::move(s); }
-#endif
 
 int main()
 {
@@ -95,13 +93,11 @@ int main()
         BOOST_CHECK(om2_sum_2.get_value() == 3);
     }
 
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
     function <int(std::string&&)>               f3 = three;
     function <std::string&& (std::string&& s)>  f4 = four;
 
     f3(std::string("Hello"));
     BOOST_CHECK(f4(std::string("world")) == "world");
-#endif
 
     return boost::report_errors();
 }