Update .drone.jsonnet

Use `is_same` from Boost.TypeTraits

.drone.jsonnet

@@ -161,36 +161,50 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
     ),
 
     linux_pipeline(
-        "Linux 20.04 GCC 9* 32",
+        "Linux 20.04 GCC 9* 32/64",
         "cppalliance/droneubuntu2004:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '32' },
-    ),
-
-    linux_pipeline(
-        "Linux 20.04 GCC 9* 64",
-        "cppalliance/droneubuntu2004:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '64' },
-    ),
-
-    linux_pipeline(
-        "Linux 20.04 GCC 9 ARM64 32/64",
-        "cppalliance/droneubuntu2004:multiarch",
         { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '32,64' },
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 9* ARM64",
+        "cppalliance/droneubuntu2004:multiarch",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a' },
         arch="arm64",
     ),
 
     linux_pipeline(
-        "Linux 20.04 GCC 10 32 ASAN",
+        "Linux 20.04 GCC 9* S390x",
+        "cppalliance/droneubuntu2004:multiarch",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a' },
+        arch="s390x",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 10 32/64",
         "cppalliance/droneubuntu2004:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++-10', CXXSTD: '03,11,14,17,20', ADDRMD: '32' } + asan,
+        { TOOLSET: 'gcc', COMPILER: 'g++-10', CXXSTD: '03,11,14,17,20', ADDRMD: '32,64' },
         "g++-10-multilib",
     ),
 
     linux_pipeline(
-        "Linux 20.04 GCC 10 64 ASAN",
+        "Linux 22.04 GCC 11* 32/64",
-        "cppalliance/droneubuntu2004:1",
+        "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'gcc', COMPILER: 'g++-10', CXXSTD: '03,11,14,17,20', ADDRMD: '64' } + asan,
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '03,11,14,17,2a', ADDRMD: '32,64' },
-        "g++-10-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 GCC 12 32 ASAN",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-12', CXXSTD: '03,11,14,17,20,2b', ADDRMD: '32' } + asan,
+        "g++-12-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 GCC 12 64 ASAN",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-12', CXXSTD: '03,11,14,17,20,2b', ADDRMD: '64' } + asan,
+        "g++-12-multilib",
     ),
 
     linux_pipeline(
@@ -222,27 +236,31 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
     ),
 
     linux_pipeline(
-        "Linux 20.04 Clang 13",
+        "Linux 22.04 Clang 13",
-        "cppalliance/droneubuntu2004:1",
+        "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-13', CXXSTD: '03,11,14,17,20' },
+        { TOOLSET: 'clang', COMPILER: 'clang++-13', CXXSTD: '03,11,14,17,20,2b' },
         "clang-13",
-        ["deb http://apt.llvm.org/focal/ llvm-toolchain-focal-13 main"],
     ),
 
     linux_pipeline(
-        "Linux 20.04 Clang 14 UBSAN",
+        "Linux 22.04 Clang 14",
-        "cppalliance/droneubuntu2004:1",
+        "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '03,11,14,17,20' } + ubsan,
+        { TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '03,11,14,17,20,2b' },
         "clang-14",
-        ["deb http://apt.llvm.org/focal/ llvm-toolchain-focal-14 main"],
     ),
 
     linux_pipeline(
-        "Linux 20.04 Clang 14 ASAN",
+        "Linux 22.04 Clang 15 UBSAN",
-        "cppalliance/droneubuntu2004:1",
+        "cppalliance/droneubuntu2204:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '03,11,14,17,20' } + asan,
+        { TOOLSET: 'clang', COMPILER: 'clang++-15', CXXSTD: '03,11,14,17,20,2b' } + ubsan,
-        "clang-14",
+        "clang-15",
-        ["deb http://apt.llvm.org/focal/ llvm-toolchain-focal-14 main"],
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 Clang 15 ASAN",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-15', CXXSTD: '03,11,14,17,20,2b' } + asan,
+        "clang-15",
     ),
 
     macos_pipeline(
@@ -255,6 +273,18 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
         { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '03,11,14,1z' } + asan,
     ),
 
+    macos_pipeline(
+        "MacOS 12.4 Xcode 13.4.1 UBSAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '03,11,14,17,20,2b' } + 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: '03,11,14,17,20,2b' } + asan,
+        xcode_version = "13.4.1", osx_version = "monterey", arch = "arm64",
+    ),
+
     windows_pipeline(
         "Windows VS2015 msvc-14.0",
         "cppalliance/dronevs2015",

.drone/drone.sh

@@ -5,6 +5,7 @@
 # https://www.boost.org/LICENSE_1_0.txt
 
 set -ex
+export PATH=~/.local/bin:/usr/local/bin:$PATH
 
 DRONE_BUILD_DIR=$(pwd)
 

.github/workflows/ci.yml

@@ -19,22 +19,26 @@ jobs:
         include:
           - toolset: gcc-4.8
             cxxstd: "03,11"
-            os: ubuntu-18.04
+            os: ubuntu-latest
+            container: ubuntu:18.04
             install: g++-4.8
           - toolset: gcc-5
             cxxstd: "03,11,14,1z"
-            os: ubuntu-18.04
+            os: ubuntu-latest
+            container: ubuntu:18.04
             install: g++-5
           - toolset: gcc-6
             cxxstd: "03,11,14,1z"
-            os: ubuntu-18.04
+            os: ubuntu-latest
+            container: ubuntu:18.04
             install: g++-6
           - toolset: gcc-7
             cxxstd: "03,11,14,17"
-            os: ubuntu-18.04
+            os: ubuntu-20.04
+            install: g++-7
           - toolset: gcc-8
             cxxstd: "03,11,14,17,2a"
-            os: ubuntu-18.04
+            os: ubuntu-20.04
             install: g++-8
           - toolset: gcc-9
             cxxstd: "03,11,14,17,2a"
@@ -47,30 +51,37 @@ jobs:
             cxxstd: "03,11,14,17,2a"
             os: ubuntu-20.04
             install: g++-11
+          - toolset: gcc-12
+            cxxstd: "03,11,14,17,20,2b"
+            os: ubuntu-22.04
+            install: g++-12
           - toolset: clang
             compiler: clang++-3.9
             cxxstd: "03,11,14"
-            os: ubuntu-18.04
+            os: ubuntu-latest
+            container: ubuntu:18.04
             install: clang-3.9
           - toolset: clang
             compiler: clang++-4.0
             cxxstd: "03,11,14"
-            os: ubuntu-18.04
+            os: ubuntu-latest
+            container: ubuntu:18.04
             install: clang-4.0
           - toolset: clang
             compiler: clang++-5.0
             cxxstd: "03,11,14,1z"
-            os: ubuntu-18.04
+            os: ubuntu-latest
+            container: ubuntu:18.04
             install: clang-5.0
           - toolset: clang
             compiler: clang++-6.0
             cxxstd: "03,11,14,17"
-            os: ubuntu-18.04
+            os: ubuntu-20.04
             install: clang-6.0
           - toolset: clang
             compiler: clang++-7
             cxxstd: "03,11,14,17"
-            os: ubuntu-18.04
+            os: ubuntu-20.04
             install: clang-7
           - toolset: clang
             compiler: clang++-8
@@ -97,18 +108,47 @@ jobs:
             cxxstd: "03,11,14,17,2a"
             os: ubuntu-20.04
             install: clang-12
+          - toolset: clang
+            compiler: clang++-13
+            cxxstd: "03,11,14,17,20,2b"
+            os: ubuntu-22.04
+            install: clang-13
+          - toolset: clang
+            compiler: clang++-14
+            cxxstd: "03,11,14,17,20,2b"
+            os: ubuntu-22.04
+            install: clang-14
+          - toolset: clang
+            compiler: clang++-15
+            cxxstd: "03,11,14,17,20,2b"
+            os: ubuntu-22.04
+            install: clang-15
           - toolset: clang
             cxxstd: "03,11,14,17,2a"
-            os: macos-10.15
+            os: macos-11
+          - toolset: clang
+            cxxstd: "03,11,14,17,20,2b"
+            os: macos-12
 
     runs-on: ${{matrix.os}}
+    container: ${{matrix.container}}
+
+    defaults:
+      run:
+        shell: bash
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
+
+      - name: Setup container environment
+        if: matrix.container
+        run: |
+          apt-get update
+          apt-get -y install sudo python git g++
 
       - name: Install packages
         if: matrix.install
-        run: sudo apt install ${{matrix.install}}
+        run: sudo apt-get -y install ${{matrix.install}}
 
       - name: Setup Boost
         run: |
@@ -147,14 +187,22 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - toolset: msvc-14.1
+          - toolset: msvc-14.0
-            cxxstd: "14,17,latest"
+            cxxstd: "14,latest"
-            addrmd: 32,64
-            os: windows-2016
-          - toolset: msvc-14.2
-            cxxstd: "14,17,latest"
             addrmd: 32,64
             os: windows-2019
+          - toolset: msvc-14.2
+            cxxstd: "14,17,20,latest"
+            addrmd: 32,64
+            os: windows-2019
+          - toolset: msvc-14.3
+            cxxstd: "14,17,20,latest"
+            addrmd: 32,64
+            os: windows-2022
+          - toolset: clang-win
+            cxxstd: "14,17,latest"
+            addrmd: 32,64
+            os: windows-2022
           - toolset: gcc
             cxxstd: "03,11,14,17,2a"
             addrmd: 64
@@ -163,7 +211,7 @@ jobs:
     runs-on: ${{matrix.os}}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Setup Boost
         shell: cmd
@@ -191,4 +239,343 @@ jobs:
         shell: cmd
         run: |
           cd ../boost-root
-          b2 -j3 libs/%LIBRARY%/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} address-model=${{matrix.addrmd}} variant=debug,release
+          b2 -j3 libs/%LIBRARY%/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} address-model=${{matrix.addrmd}} variant=debug,release embed-manifest-via=linker
+
+  posix-cmake-subdir:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-20.04
+          - os: ubuntu-22.04
+          - os: macos-11
+          - os: macos-12
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install packages
+        if: matrix.install
+        run: sudo apt-get -y install ${{matrix.install}}
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          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" $LIBRARY
+
+      - name: Use library with add_subdirectory
+        run: |
+          cd ../boost-root/libs/$LIBRARY/test/cmake_subdir_test
+          mkdir __build__ && cd __build__
+          cmake ..
+          cmake --build .
+          ctest --output-on-failure --no-tests=error
+
+  posix-cmake-install:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-20.04
+          - os: ubuntu-22.04
+          - os: macos-11
+          - os: macos-12
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install packages
+        if: matrix.install
+        run: sudo apt-get -y install ${{matrix.install}}
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          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" $LIBRARY
+
+      - name: Configure
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=$LIBRARY -DCMAKE_INSTALL_PREFIX=~/.local ..
+
+      - name: Install
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install
+
+      - name: Use the installed library
+        run: |
+          cd ../boost-root/libs/$LIBRARY/test/cmake_install_test && mkdir __build__ && cd __build__
+          cmake -DCMAKE_INSTALL_PREFIX=~/.local ..
+          cmake --build .
+          ctest --output-on-failure --no-tests=error
+
+  posix-cmake-test:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-20.04
+          - os: ubuntu-22.04
+          - os: macos-11
+          - os: macos-12
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install packages
+        if: matrix.install
+        run: sudo apt-get -y install ${{matrix.install}}
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          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" $LIBRARY
+
+      - name: Configure
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=$LIBRARY -DBUILD_TESTING=ON ..
+
+      - name: Build tests
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests
+
+      - name: Run tests
+        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@v3
+
+      - 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@v3
+
+      - 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@v3
+
+      - 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

appveyor.yml

@@ -18,16 +18,12 @@ environment:
       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
+      TOOLSET: msvc-12.0
       ADDRMD: 32,64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       TOOLSET: msvc-14.1,clang-win
       CXXSTD: 14,17
       ADDRMD: 32,64
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-      TOOLSET: msvc-14.2
-      CXXSTD: 14,17,latest
-      ADDRMD: 32,64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       ADDPATH: C:\cygwin\bin;
       TOOLSET: gcc

include/boost/bind/apply.hpp

@@ -11,6 +11,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
+#include <boost/bind/detail/requires_cxx11.hpp>
 #include <boost/config.hpp>
 
 namespace boost

include/boost/bind/bind.hpp

@@ -21,18 +21,19 @@
 //  See http://www.boost.org/libs/bind/bind.html for documentation.
 //
 
+#include <boost/bind/detail/requires_cxx11.hpp>
 #include <boost/config.hpp>
-#include <boost/ref.hpp>
+#include <boost/bind/mem_fn.hpp>
-#include <boost/mem_fn.hpp>
 #include <boost/type.hpp>
 #include <boost/is_placeholder.hpp>
 #include <boost/bind/arg.hpp>
 #include <boost/bind/detail/result_traits.hpp>
 #include <boost/bind/std_placeholders.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config/workaround.hpp>
 #include <boost/visit_each.hpp>
+#include <boost/core/ref.hpp>
 #include <boost/core/enable_if.hpp>
-#include <boost/core/is_same.hpp>
+#include <boost/bind/detail/is_same.hpp>
 
 #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
 #include <utility> // std::forward

include/boost/bind/bind_mf_cc.hpp

@@ -36,7 +36,7 @@ template<class R, class T,
 
 template<class Rt2, class R, class T,
     class A1>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(mf0)<R, T>, typename _bi::list_av_1<A1>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) () BOOST_BIND_MF_NOEXCEPT, A1 a1)
 {
@@ -47,7 +47,7 @@ template<class Rt2, class R, class T,
 
 template<class Rt2, class R, class T,
     class A1>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(cmf0)<R, T>, typename _bi::list_av_1<A1>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) () const BOOST_BIND_MF_NOEXCEPT, A1 a1)
 {
@@ -83,7 +83,7 @@ template<class R, class T,
 template<class Rt2, class R, class T,
     class B1,
     class A1, class A2>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(mf1)<R, T, B1>, typename _bi::list_av_2<A1, A2>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1) BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2)
 {
@@ -95,7 +95,7 @@ template<class Rt2, class R, class T,
 template<class Rt2, class R, class T,
     class B1,
     class A1, class A2>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(cmf1)<R, T, B1>, typename _bi::list_av_2<A1, A2>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1) const BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2)
 {
@@ -131,7 +131,7 @@ template<class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2,
     class A1, class A2, class A3>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(mf2)<R, T, B1, B2>, typename _bi::list_av_3<A1, A2, A3>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2) BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3)
 {
@@ -143,7 +143,7 @@ template<class Rt2, class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2,
     class A1, class A2, class A3>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(cmf2)<R, T, B1, B2>, typename _bi::list_av_3<A1, A2, A3>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2) const BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3)
 {
@@ -179,7 +179,7 @@ template<class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3,
     class A1, class A2, class A3, class A4>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(mf3)<R, T, B1, B2, B3>, typename _bi::list_av_4<A1, A2, A3, A4>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3) BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4)
 {
@@ -191,7 +191,7 @@ template<class Rt2, class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3,
     class A1, class A2, class A3, class A4>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(cmf3)<R, T, B1, B2, B3>, typename _bi::list_av_4<A1, A2, A3, A4>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3) const BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4)
 {
@@ -227,7 +227,7 @@ template<class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4,
     class A1, class A2, class A3, class A4, class A5>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(mf4)<R, T, B1, B2, B3, B4>, typename _bi::list_av_5<A1, A2, A3, A4, A5>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4) BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)
 {
@@ -239,7 +239,7 @@ template<class Rt2, class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4,
     class A1, class A2, class A3, class A4, class A5>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(cmf4)<R, T, B1, B2, B3, B4>, typename _bi::list_av_5<A1, A2, A3, A4, A5>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4) const BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)
 {
@@ -275,7 +275,7 @@ template<class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4, class B5,
     class A1, class A2, class A3, class A4, class A5, class A6>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(mf5)<R, T, B1, B2, B3, B4, B5>, typename _bi::list_av_6<A1, A2, A3, A4, A5, A6>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4, B5) BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)
 {
@@ -287,7 +287,7 @@ template<class Rt2, class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4, class B5,
     class A1, class A2, class A3, class A4, class A5, class A6>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(cmf5)<R, T, B1, B2, B3, B4, B5>, typename _bi::list_av_6<A1, A2, A3, A4, A5, A6>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4, B5) const BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)
 {
@@ -323,7 +323,7 @@ template<class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4, class B5, class B6,
     class A1, class A2, class A3, class A4, class A5, class A6, class A7>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(mf6)<R, T, B1, B2, B3, B4, B5, B6>, typename _bi::list_av_7<A1, A2, A3, A4, A5, A6, A7>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4, B5, B6) BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7)
 {
@@ -335,7 +335,7 @@ template<class Rt2, class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4, class B5, class B6,
     class A1, class A2, class A3, class A4, class A5, class A6, class A7>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(cmf6)<R, T, B1, B2, B3, B4, B5, B6>, typename _bi::list_av_7<A1, A2, A3, A4, A5, A6, A7>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4, B5, B6) const BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7)
 {
@@ -371,7 +371,7 @@ template<class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4, class B5, class B6, class B7,
     class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(mf7)<R, T, B1, B2, B3, B4, B5, B6, B7>, typename _bi::list_av_8<A1, A2, A3, A4, A5, A6, A7, A8>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4, B5, B6, B7) BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8)
 {
@@ -383,7 +383,7 @@ template<class Rt2, class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4, class B5, class B6, class B7,
     class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(cmf7)<R, T, B1, B2, B3, B4, B5, B6, B7>, typename _bi::list_av_8<A1, A2, A3, A4, A5, A6, A7, A8>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4, B5, B6, B7) const BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8)
 {
@@ -419,7 +419,7 @@ template<class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4, class B5, class B6, class B7, class B8,
     class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(mf8)<R, T, B1, B2, B3, B4, B5, B6, B7, B8>, typename _bi::list_av_9<A1, A2, A3, A4, A5, A6, A7, A8, A9>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4, B5, B6, B7, B8) BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9)
 {
@@ -431,7 +431,7 @@ template<class Rt2, class R, class T,
 template<class Rt2, class R, class T,
     class B1, class B2, class B3, class B4, class B5, class B6, class B7, class B8,
     class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
-    typename boost::enable_if_c<!boost::core::is_same<Rt2, R>::value,
+    typename boost::enable_if_c<!_bi::is_same<Rt2, R>::value,
     _bi::bind_t<Rt2, _mfi::BOOST_BIND_MF_NAME(cmf8)<R, T, B1, B2, B3, B4, B5, B6, B7, B8>, typename _bi::list_av_9<A1, A2, A3, A4, A5, A6, A7, A8, A9>::type>
     >::type BOOST_BIND(R (BOOST_BIND_MF_CC T::*f) (B1, B2, B3, B4, B5, B6, B7, B8) const BOOST_BIND_MF_NOEXCEPT, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9)
 {

include/boost/bind/detail/is_same.hpp

@@ -0,0 +1,36 @@
+#ifndef BOOST_BIND_DETAIL_IS_SAME_HPP_INCLUDED
+#define BOOST_BIND_DETAIL_IS_SAME_HPP_INCLUDED
+
+// is_same<T1,T2>::value is true when T1 == T2
+//
+// Copyright 2014 Peter Dimov
+//
+// 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
+
+#include <boost/config.hpp>
+
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+# pragma once
+#endif
+
+namespace boost
+{
+namespace _bi
+{
+
+template< class T1, class T2 > struct is_same
+{
+    BOOST_STATIC_CONSTANT( bool, value = false );
+};
+
+template< class T > struct is_same< T, T >
+{
+    BOOST_STATIC_CONSTANT( bool, value = true );
+};
+
+} // namespace _bi
+} // namespace boost
+
+#endif // #ifndef BOOST_BIND_DETAIL_IS_SAME_HPP_INCLUDED

include/boost/bind/detail/requires_cxx11.hpp

@@ -0,0 +1,22 @@
+#ifndef BOOST_BIND_DETAIL_REQUIRES_CXX11_HPP_INCLUDED
+#define BOOST_BIND_DETAIL_REQUIRES_CXX11_HPP_INCLUDED
+
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/config.hpp>
+#include <boost/config/pragma_message.hpp>
+
+#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || \
+    defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || \
+    defined(BOOST_NO_CXX11_DECLTYPE) || \
+    defined(BOOST_NO_CXX11_CONSTEXPR) || \
+    defined(BOOST_NO_CXX11_NOEXCEPT) || \
+    defined(BOOST_NO_CXX11_HDR_FUNCTIONAL)
+
+BOOST_PRAGMA_MESSAGE("C++03 support is deprecated in Boost.Bind 1.82 and will be removed in Boost.Bind 1.84.")
+
+#endif
+
+#endif // #ifndef BOOST_BIND_DETAIL_REQUIRES_CXX11_HPP_INCLUDED

include/boost/bind/detail/result_traits.hpp

@@ -22,6 +22,7 @@
 //
 
 #include <boost/config.hpp>
+#include <boost/core/ref.hpp>
 
 #if BOOST_CXX_VERSION >= 201700L
 #include <functional>

include/boost/bind/mem_fn.hpp

@@ -21,9 +21,10 @@
 //  See http://www.boost.org/libs/bind/mem_fn.html for documentation.
 //
 
-#include <boost/config.hpp>
+#include <boost/bind/detail/requires_cxx11.hpp>
 #include <boost/get_pointer.hpp>
-#include <boost/detail/workaround.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
 
 namespace boost
 {

include/boost/bind/protect.hpp

@@ -12,6 +12,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
+#include <boost/bind/detail/requires_cxx11.hpp>
 #include <boost/config.hpp>
 #include <boost/config/workaround.hpp>
 #include <utility>

include/boost/bind/std_placeholders.hpp

@@ -11,6 +11,7 @@
 // Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
+#include <boost/bind/detail/requires_cxx11.hpp>
 #include <boost/is_placeholder.hpp>
 #include <boost/config.hpp>
 

include/boost/bind/storage.hpp

@@ -21,6 +21,7 @@
 //  See http://www.boost.org/libs/bind/bind.html for documentation.
 //
 
+#include <boost/bind/detail/requires_cxx11.hpp>
 #include <boost/config.hpp>
 #include <boost/bind/arg.hpp>
 

test/apply_test2.cpp

@@ -4,12 +4,11 @@
 
 #include <boost/bind/apply.hpp>
 #include <boost/core/lightweight_test_trait.hpp>
-#include <boost/core/is_same.hpp>
 
 int main()
 {
-    BOOST_TEST_TRAIT_TRUE((boost::core::is_same<void, boost::apply<void>::result_type>));
+    BOOST_TEST_TRAIT_SAME(void, boost::apply<void>::result_type);
-    BOOST_TEST_TRAIT_TRUE((boost::core::is_same<int&, boost::apply<int&>::result_type>));
+    BOOST_TEST_TRAIT_SAME(int&, boost::apply<int&>::result_type);
 
     return boost::report_errors();
 }

test/cmake_subdir_test/CMakeLists.txt

@@ -10,6 +10,8 @@ add_subdirectory(../.. boostorg/bind)
 add_subdirectory(../../../assert boostorg/assert)
 add_subdirectory(../../../config boostorg/config)
 add_subdirectory(../../../core boostorg/core)
+add_subdirectory(../../../static_assert boostorg/static_assert)
+add_subdirectory(../../../throw_exception boostorg/throw_exception)
 
 add_executable(quick ../quick.cpp)
 target_link_libraries(quick Boost::bind Boost::core)

test/protect_test2.cpp

@@ -6,11 +6,10 @@
 
 #include <boost/bind/protect.hpp>
 #include <boost/core/lightweight_test_trait.hpp>
-#include <boost/core/is_same.hpp>
 
 template<class T, class F> void test( F )
 {
-    BOOST_TEST_TRAIT_TRUE((boost::core::is_same<typename T::result_type, typename F::result_type>));
+    BOOST_TEST_TRAIT_SAME(typename T::result_type, typename F::result_type);
 }
 
 struct X
@@ -29,7 +28,7 @@ template<class T, class U> struct inherit: T, U
 template<class F> void test2( F )
 {
     // test that F doesn't have ::result_type
-    BOOST_TEST_TRAIT_TRUE((boost::core::is_same<typename inherit<F, X>::result_type, typename X::result_type>));
+    BOOST_TEST_TRAIT_SAME(typename inherit<F, X>::result_type, typename X::result_type);
 }
 
 int main()