Merge branch 'master' into develop

GitHub Actions config

.drone.star

@@ -0,0 +1,37 @@
+# Use, modification, and distribution are
+# subject to the Boost Software License, Version 1.0. (See accompanying
+# file LICENSE.txt)
+#
+# Copyright Rene Rivera 2020.
+
+# For Drone CI we use the Starlark scripting language to reduce duplication.
+# As the yaml syntax for Drone CI is rather limited.
+#
+#
+globalenv={}
+linuxglobalimage="cppalliance/droneubuntu1604:1"
+windowsglobalimage="cppalliance/dronevs2019"
+
+def main(ctx):
+  return [
+  linux_cxx("TEST_CMAKE=TRUE Job 0", "g++", packages="", buildtype="96ad197d74-2319b6d45f", image=linuxglobalimage, environment={'TEST_CMAKE': 'TRUE', 'DRONE_JOB_UUID': 'b6589fc6ab'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=gcc COMPILER=g++ CXXSTD=03,11 Job 1", "g++", packages="", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++', 'CXXSTD': '03,11', 'DRONE_JOB_UUID': '356a192b79'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=03,11 Job 2", "g++-4.7", packages="g++-4.7", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.7', 'CXXSTD': '03,11', 'DRONE_JOB_UUID': 'da4b9237ba'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=03,11 Job 3", "g++-4.8", packages="g++-4.8", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.8', 'CXXSTD': '03,11', 'DRONE_JOB_UUID': '77de68daec'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=03,11 Job 4", "g++-4.9", packages="g++-4.9", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-4.9', 'CXXSTD': '03,11', 'DRONE_JOB_UUID': '1b64538924'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z Job 5", "g++-5", packages="g++-5", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-5', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'ac3478d69a'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z Job 6", "g++-6", packages="g++-6", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-6', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'c1dfd96eea'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17 Job 7", "g++-7", packages="g++-7", buildtype="boost", image="cppalliance/droneubuntu1404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-7', 'CXXSTD': '03,11,14,17', 'DRONE_JOB_UUID': '902ba3cda1'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=clang COMPILER=clang++ CXXSTD=03,11 Job 8", "clang++", packages="", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11', 'DRONE_JOB_UUID': 'fe5dbbcea5'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03, Job 9", "clang++", packages="clang-3.5 libstdc++-4.9-dev", llvm_os="precise", llvm_ver="3.5", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.5', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': '0ade7c2cf9'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03, Job 10", "clang++", packages="clang-3.6", llvm_os="precise", llvm_ver="3.6", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.6', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'b1d5781111'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03, Job 11", "clang++", packages="clang-3.7", llvm_os="precise", llvm_ver="3.7", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.7', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': '17ba079149'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03, Job 12", "clang++-3.8", packages="clang-3.8 libstdc++-4.9-dev", llvm_os="precise", llvm_ver="3.8", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.8', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': '7b52009b64'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03, Job 13", "clang++-3.9", packages="clang-3.9 libstdc++-4.9-dev", llvm_os="precise", llvm_ver="3.9", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-3.9', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'bd307a3ec3'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=03, Job 14", "clang++-4.0", packages="clang-4.0", llvm_os="xenial", llvm_ver="4.0", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-4.0', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'fa35e19212'}, globalenv=globalenv),
+  linux_cxx("TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03, Job 15", "clang++-5.0", packages="clang-5.0", llvm_os="xenial", llvm_ver="5.0", buildtype="boost", image=linuxglobalimage, environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-5.0', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': 'f1abd67035'}, globalenv=globalenv),
+  osx_cxx("TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,1 Job 16", "clang++", packages="", buildtype="boost", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++', 'CXXSTD': '03,11,14,1z', 'DRONE_JOB_UUID': '1574bddb75'}, globalenv=globalenv),
+  ]
+
+# from https://github.com/boostorg/boost-ci
+load("@boost_ci//ci/drone/:functions.star", "linux_cxx","windows_cxx","osx_cxx","freebsd_cxx")

.drone/96ad197d74-2319b6d45f.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+set -ex
+export TRAVIS_BUILD_DIR=$(pwd)
+export DRONE_BUILD_DIR=$(pwd)
+export TRAVIS_BRANCH=$DRONE_BRANCH
+export VCS_COMMIT_ID=$DRONE_COMMIT
+export GIT_COMMIT=$DRONE_COMMIT
+export REPO_NAME=$DRONE_REPO
+export PATH=~/.local/bin:/usr/local/bin:$PATH
+
+echo '==================================> BEFORE_INSTALL'
+
+. .drone/before-install.sh
+
+echo '==================================> INSTALL'
+
+BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
+git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/assert.git ../assert
+git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/config.git ../config
+git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/core.git ../core
+git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/static_assert.git ../static_assert
+git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/throw_exception.git ../throw_exception
+
+echo '==================================> BEFORE_SCRIPT'
+
+. $DRONE_BUILD_DIR/.drone/before-script.sh
+
+echo '==================================> SCRIPT'
+
+mkdir __build__ && cd __build__
+cmake ../test/test_cmake
+cmake --build .
+
+echo '==================================> AFTER_SUCCESS'
+
+. $DRONE_BUILD_DIR/.drone/after-success.sh

.drone/after-success.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+

.drone/before-install.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+

.drone/before-script.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+

.drone/boost.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+set -ex
+export TRAVIS_BUILD_DIR=$(pwd)
+export DRONE_BUILD_DIR=$(pwd)
+export TRAVIS_BRANCH=$DRONE_BRANCH
+export VCS_COMMIT_ID=$DRONE_COMMIT
+export GIT_COMMIT=$DRONE_COMMIT
+export REPO_NAME=$DRONE_REPO
+export PATH=~/.local/bin:/usr/local/bin:$PATH
+
+echo '==================================> BEFORE_INSTALL'
+
+. .drone/before-install.sh
+
+echo '==================================> INSTALL'
+
+BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
+cd ..
+git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+cd boost-root
+git submodule update --init tools/build
+git submodule update --init libs/config
+git submodule update --init tools/boostdep
+cp -r $TRAVIS_BUILD_DIR/* libs/array
+python tools/boostdep/depinst/depinst.py array
+./bootstrap.sh
+./b2 headers
+
+echo '==================================> BEFORE_SCRIPT'
+
+. $DRONE_BUILD_DIR/.drone/before-script.sh
+
+echo '==================================> SCRIPT'
+
+echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
+./b2 -j 3 libs/array/test toolset=$TOOLSET cxxstd=$CXXSTD
+
+echo '==================================> AFTER_SUCCESS'
+
+. $DRONE_BUILD_DIR/.drone/after-success.sh

.github/workflows/ci.yml

@@ -0,0 +1,396 @@
+name: GitHub Actions CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+      - develop
+      - githubactions*
+      - feature/**
+      - fix/**
+      - pr/**
+
+jobs:
+  posix:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: "TEST_CMAKE=TRUE Job 0"
+            buildtype: "96ad197d74-2319b6d45f"
+            packages: ""
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "g++"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            test_cmake: "TRUE"
+          - name: "TOOLSET=gcc COMPILER=g++ CXXSTD=03,11 Job 1"
+            buildtype: "boost"
+            packages: ""
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "g++"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            toolset: "gcc"
+            compiler: "g++"
+            cxxstd: "03,11"
+          - name: "TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=03,11 Job 2"
+            buildtype: "boost"
+            packages: "g++-4.7"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "g++-4.7"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            toolset: "gcc"
+            compiler: "g++-4.7"
+            cxxstd: "03,11"
+          - name: "TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=03,11 Job 3"
+            buildtype: "boost"
+            packages: "g++-4.8"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "g++-4.8"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            toolset: "gcc"
+            compiler: "g++-4.8"
+            cxxstd: "03,11"
+          - name: "TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=03,11 Job 4"
+            buildtype: "boost"
+            packages: "g++-4.9"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "g++-4.9"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            toolset: "gcc"
+            compiler: "g++-4.9"
+            cxxstd: "03,11"
+          - name: "TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z Job 5"
+            buildtype: "boost"
+            packages: "g++-5"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "g++-5"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            toolset: "gcc"
+            compiler: "g++-5"
+            cxxstd: "03,11,14,1z"
+          - name: "TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z Job 6"
+            buildtype: "boost"
+            packages: "g++-6"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "g++-6"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            toolset: "gcc"
+            compiler: "g++-6"
+            cxxstd: "03,11,14,1z"
+          - name: "TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17 Job 7"
+            buildtype: "boost"
+            packages: "g++-7"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "g++-7"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            toolset: "gcc"
+            compiler: "g++-7"
+            cxxstd: "03,11,14,17"
+          - name: "TOOLSET=clang COMPILER=clang++ CXXSTD=03,11 Job 8"
+            buildtype: "boost"
+            packages: ""
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "clang++"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            toolset: "clang"
+            compiler: "clang++"
+            cxxstd: "03,11"
+          - name: "TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03, Job 9"
+            buildtype: "boost"
+            packages: "clang-3.5 libstdc++-4.9-dev"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "clang++-3.5"
+            sources: ""
+            llvm_os: "precise"
+            llvm_ver: "3.5"
+            toolset: "clang"
+            compiler: "clang++-3.5"
+            cxxstd: "03,11,14"
+          - name: "TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03, Job 10"
+            buildtype: "boost"
+            packages: "clang-3.6"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "clang++-3.6"
+            sources: ""
+            llvm_os: "precise"
+            llvm_ver: "3.6"
+            toolset: "clang"
+            compiler: "clang++-3.6"
+            cxxstd: "03,11,14"
+          - name: "TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03, Job 11"
+            buildtype: "boost"
+            packages: "clang-3.7"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "clang++-3.7"
+            sources: ""
+            llvm_os: "precise"
+            llvm_ver: "3.7"
+            toolset: "clang"
+            compiler: "clang++-3.7"
+            cxxstd: "03,11,14"
+          - name: "TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03, Job 12"
+            buildtype: "boost"
+            packages: "clang-3.8 libstdc++-4.9-dev"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "clang++-3.8"
+            sources: ""
+            llvm_os: "precise"
+            llvm_ver: "3.8"
+            toolset: "clang"
+            compiler: "clang++-3.8"
+            cxxstd: "03,11,14"
+          - name: "TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03, Job 13"
+            buildtype: "boost"
+            packages: "clang-3.9 libstdc++-4.9-dev"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "clang++-3.9"
+            sources: ""
+            llvm_os: "precise"
+            llvm_ver: "3.9"
+            toolset: "clang"
+            compiler: "clang++-3.9"
+            cxxstd: "03,11,14"
+          - name: "TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=03, Job 14"
+            buildtype: "boost"
+            packages: "clang-4.0"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "clang++-4.0"
+            sources: ""
+            llvm_os: "xenial"
+            llvm_ver: "4.0"
+            toolset: "clang"
+            compiler: "clang++-4.0"
+            cxxstd: "03,11,14"
+          - name: "TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03, Job 15"
+            buildtype: "boost"
+            packages: "clang-5.0"
+            packages_to_remove: ""
+            os: "ubuntu-16.04"
+            cxx: "clang++-5.0"
+            sources: ""
+            llvm_os: "xenial"
+            llvm_ver: "5.0"
+            toolset: "clang"
+            compiler: "clang++-5.0"
+            cxxstd: "03,11,14,1z"
+
+    runs-on: ${{ matrix.os }}
+    container: ${{ matrix.container }}
+
+    steps:
+      - name: Check if running in container
+        if: matrix.container != ''
+        run: echo "GHA_CONTAINER=${{ matrix.container }}" >> $GITHUB_ENV
+
+      - uses: actions/checkout@v2
+
+      - name: linux
+        shell: bash
+        env:
+          CXX: ${{ matrix.cxx }}
+          SOURCES: ${{ matrix.sources }}
+          LLVM_OS: ${{ matrix.llvm_os }}
+          LLVM_VER: ${{ matrix.llvm_ver }}
+          PACKAGES: ${{ matrix.packages }}
+          PACKAGES_TO_REMOVE: ${{ matrix.packages_to_remove }}
+          JOB_BUILDTYPE: ${{ matrix.buildtype }}
+          TEST_CMAKE: ${{ matrix.test_cmake }}
+          TOOLSET: ${{ matrix.toolset }}
+          COMPILER: ${{ matrix.compiler }}
+          CXXSTD: ${{ matrix.cxxstd }}
+          TRAVIS_BRANCH: ${{ github.base_ref }}
+          TRAVIS_OS_NAME: "linux"
+        run: |
+          echo '==================================> SETUP'
+          echo '==================================> PACKAGES'
+          set -e
+          if [ -n "$PACKAGES_TO_REMOVE" ]; then sudo apt-get purge -y $PACKAGES_TO_REMOVE; fi
+          echo ">>>>> APT: REPO.."
+          for i in {1..3}; do sudo -E apt-add-repository -y "ppa:ubuntu-toolchain-r/test" && break || sleep 2; done
+          
+          if test -n "${LLVM_OS}" ; then
+              wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
+              if test -n "${LLVM_VER}" ; then
+                  sudo -E apt-add-repository "deb http://apt.llvm.org/${LLVM_OS}/ llvm-toolchain-${LLVM_OS}-${LLVM_VER} main"
+              else
+                  # Snapshot (i.e. trunk) build of clang
+                  sudo -E apt-add-repository "deb http://apt.llvm.org/${LLVM_OS}/ llvm-toolchain-${LLVM_OS} main"
+              fi
+          fi
+          echo ">>>>> APT: UPDATE.."
+          sudo -E apt-get -o Acquire::Retries=3 update
+          if test -n "${SOURCES}" ; then
+              echo ">>>>> APT: INSTALL SOURCES.."
+              for SOURCE in $SOURCES; do
+                  sudo -E apt-add-repository ppa:$SOURCE
+              done
+          fi
+          echo ">>>>> APT: INSTALL ${PACKAGES}.."
+          sudo -E DEBIAN_FRONTEND=noninteractive apt-get -o Acquire::Retries=3 -y --no-install-suggests --no-install-recommends install ${PACKAGES}
+
+          echo '==================================> INSTALL AND COMPILE'
+          set -e
+          export TRAVIS_BUILD_DIR=$(pwd)
+          export TRAVIS_BRANCH=${TRAVIS_BRANCH:-$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')}
+          export VCS_COMMIT_ID=$GITHUB_SHA
+          export GIT_COMMIT=$GITHUB_SHA
+          export REPO_NAME=$(basename $GITHUB_REPOSITORY)
+          export USER=$(whoami)
+          export CC=${CC:-gcc}
+          export PATH=~/.local/bin:/usr/local/bin:$PATH
+
+          if [ "$JOB_BUILDTYPE" == "96ad197d74-2319b6d45f" ]; then
+
+          echo '==================================> INSTALL'
+
+          BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/assert.git ../assert
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/config.git ../config
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/core.git ../core
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/static_assert.git ../static_assert
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/throw_exception.git ../throw_exception
+
+          echo '==================================> SCRIPT'
+
+          mkdir __build__ && cd __build__
+          cmake ../test/test_cmake
+          cmake --build .
+
+          elif [ "$JOB_BUILDTYPE" == "boost" ]; then
+
+          echo '==================================> INSTALL'
+
+          BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          git submodule update --init tools/build
+          git submodule update --init libs/config
+          git submodule update --init tools/boostdep
+          cp -r $TRAVIS_BUILD_DIR/* libs/array
+          python tools/boostdep/depinst/depinst.py array
+          ./bootstrap.sh
+          ./b2 headers
+
+          echo '==================================> SCRIPT'
+
+          echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
+          ./b2 -j 3 libs/array/test toolset=$TOOLSET cxxstd=$CXXSTD
+
+          fi
+  osx:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: "TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,1 Job 16"
+            buildtype: "boost"
+            packages: ""
+            os: "macos-10.15"
+            cxx: "clang++"
+            sources: ""
+            llvm_os: ""
+            llvm_ver: ""
+            xcode_version: 11.7
+            toolset: "clang"
+            compiler: "clang++"
+            cxxstd: "03,11,14,1z"
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set DEVELOPER_DIR
+        if: matrix.xcode_version != ''
+        run: echo "DEVELOPER_DIR=/Applications/Xcode_${{ matrix.xcode_version }}.app/Contents/Developer" >> $GITHUB_ENV
+      - name: Test DEVELOPER_DIR
+        run: echo $DEVELOPER_DIR
+
+      - name: "osx"
+        shell: bash
+        env:
+          CXX: ${{ matrix.cxx }}
+          SOURCES: ${{ matrix.sources }}
+          LLVM_OS: ${{ matrix.llvm_os }}
+          LLVM_VER: ${{ matrix.llvm_ver }}
+          PACKAGES: ${{ matrix.packages }}
+          JOB_BUILDTYPE: ${{ matrix.buildtype }}
+          TEST_CMAKE: ${{ matrix.test_cmake }}
+          TOOLSET: ${{ matrix.toolset }}
+          COMPILER: ${{ matrix.compiler }}
+          CXXSTD: ${{ matrix.cxxstd }}
+          TRAVIS_BRANCH: ${{ github.base_ref }}
+          TRAVIS_OS_NAME: "osx"
+        run: |
+          echo '==================================> SETUP'
+          set -e
+          sudo mv /Library/Developer/CommandLineTools /Library/Developer/CommandLineTools.bck
+          echo '==================================> PACKAGES'
+          echo '==================================> INSTALL AND COMPILE'
+          set -e
+          export TRAVIS_BUILD_DIR=$(pwd)
+          export TRAVIS_BRANCH=${TRAVIS_BRANCH:-$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')}
+          export VCS_COMMIT_ID=$GITHUB_SHA
+          export GIT_COMMIT=$GITHUB_SHA
+          export REPO_NAME=$(basename $GITHUB_REPOSITORY)
+          export USER=$(whoami)
+          export CC=${CC:-gcc}
+          export PATH=~/.local/bin:/usr/local/bin:$PATH
+
+          if [ "$JOB_BUILDTYPE" == "boost" ]; then
+
+          echo '==================================> INSTALL'
+
+          BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          git submodule update --init tools/build
+          git submodule update --init libs/config
+          git submodule update --init tools/boostdep
+          cp -r $TRAVIS_BUILD_DIR/* libs/array
+          python tools/boostdep/depinst/depinst.py array
+          ./bootstrap.sh
+          ./b2 headers
+
+          echo '==================================> SCRIPT'
+
+          echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
+          ./b2 -j 3 libs/array/test toolset=$TOOLSET cxxstd=$CXXSTD
+
+          fi

.travis.yml

@@ -0,0 +1,217 @@
+# Copyright 2016, 2017 Peter Dimov
+# Copyright 2018, Mike-Dev
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
+
+language: cpp
+
+sudo: false
+
+python: "2.7"
+
+branches:
+  only:
+    - master
+    - develop
+    - /feature\/.*/
+
+env:
+  matrix:
+    - BOGUS_JOB=true
+
+matrix:
+
+  exclude:
+    - env: BOGUS_JOB=true
+
+  include:
+
+      # cmake self-test
+    - os: linux
+      env: TEST_CMAKE=TRUE #Only for easier identification in travis web gui
+      install:
+        - BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
+        - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/assert.git ../assert
+        - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/config.git ../config
+        - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/core.git ../core
+        - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/static_assert.git ../static_assert
+        - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/throw_exception.git ../throw_exception
+
+      script:
+        - mkdir __build__ && cd __build__
+        - cmake ../test/test_cmake
+        - cmake --build .
+
+    - os: linux
+      compiler: g++
+      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11
+
+    - os: linux
+      compiler: g++-4.7
+      env: TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=03,11
+      addons:
+        apt:
+          packages:
+            - g++-4.7
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      compiler: g++-4.8
+      env: TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=03,11
+      addons:
+        apt:
+          packages:
+            - g++-4.8
+          sources:
+            - ubuntu-toolchain-r-test
+    - os: linux
+      compiler: g++-4.9
+      env: TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=03,11
+      addons:
+        apt:
+          packages:
+            - g++-4.9
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      compiler: g++-5
+      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z
+      addons:
+        apt:
+          packages:
+            - g++-5
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      compiler: g++-6
+      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z
+      addons:
+        apt:
+          packages:
+            - g++-6
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      dist: trusty
+      compiler: g++-7
+      env: TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17
+      addons:
+        apt:
+          packages:
+            - g++-7
+          sources:
+            - ubuntu-toolchain-r-test
+
+    - os: linux
+      compiler: clang++
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11
+
+    - os: linux
+      compiler: clang++-3.5
+      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11,14,1z
+      addons:
+        apt:
+          packages:
+            - clang-3.5
+            - libstdc++-4.9-dev
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.5
+
+    - os: linux
+      compiler: clang++-3.6
+      env: TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03,11,14,1z
+      addons:
+        apt:
+          packages:
+            - clang-3.6
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.6
+
+    - os: linux
+      compiler: clang++-3.7
+      env: TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03,11,14,1z
+      addons:
+        apt:
+          packages:
+            - clang-3.7
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.7
+
+    - os: linux
+      compiler: clang++-3.8
+      env: TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03,11,14,1z
+      addons:
+        apt:
+          packages:
+            - clang-3.8
+            - libstdc++-4.9-dev
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.8
+
+    - os: linux
+      compiler: clang++-3.9
+      env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03,11,14,1z
+      addons:
+        apt:
+          packages:
+            - clang-3.9
+            - libstdc++-4.9-dev
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.9
+
+    - os: linux
+      compiler: clang++-4.0
+      env: TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=03,11,14,1z
+      addons:
+        apt:
+          packages:
+            - clang-4.0
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-4.0
+
+    - os: linux
+      compiler: clang++-5.0
+      env: TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03,11,14,1z
+      addons:
+        apt:
+          packages:
+            - clang-5.0
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-5.0
+
+    - os: osx
+      compiler: clang++
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
+
+install:
+  - BOOST_BRANCH=develop && [ "$TRAVIS_BRANCH" == "master" ] && BOOST_BRANCH=master || true
+  - cd ..
+  - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+  - cd boost-root
+  - git submodule update --init tools/build
+  - git submodule update --init libs/config
+  - git submodule update --init tools/boostdep
+  - cp -r $TRAVIS_BUILD_DIR/* libs/array
+  - python tools/boostdep/depinst/depinst.py array
+  - ./bootstrap.sh
+  - ./b2 headers
+
+script:
+  - |-
+    echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
+  - ./b2 -j 3 libs/array/test toolset=$TOOLSET cxxstd=$CXXSTD
+
+notifications:
+  email:
+    on_success: always

CMakeLists.txt

@@ -0,0 +1,20 @@
+# Copyright 2018 Mike Dev
+# 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...3.20)
+project(boost_array VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
+
+add_library(boost_array INTERFACE)
+add_library(Boost::array ALIAS boost_array)
+
+target_include_directories(boost_array INTERFACE include)
+
+target_link_libraries(boost_array
+    INTERFACE
+        Boost::assert
+        Boost::config
+        Boost::core
+        Boost::static_assert
+        Boost::throw_exception
+)

doc/Jamfile.v2

@@ -0,0 +1,19 @@
+#~ Copyright Marshall Clow 2013
+#~ 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)
+
+using boostbook ;
+
+boostbook standalone
+	: array.xml 
+	: <xsl:param>boost.root=../../../.. ;
+
+###############################################################################
+alias boostdoc
+    : array.xml
+    :
+    :
+    : ;
+explicit boostdoc ;
+alias boostrelease ;
+explicit boostrelease ;

doc/array.xml

@@ -7,6 +7,10 @@
       <firstname>Nicolai</firstname>
       <surname>Josuttis</surname>
     </author>
+    <maintainer>
+      <firstname>Marshall</firstname>
+      <surname>Clow</surname>
+    </maintainer>
 
     <copyright>
       <year>2001</year>
@@ -16,6 +20,11 @@
       <holder>Nicolai M. Josuttis</holder>
     </copyright>
    
+    <copyright>
+      <year>2012</year>
+      <holder>Marshall Clow</holder>
+    </copyright>
+
     <legalnotice>
       <para>Distributed under the Boost Software License, Version 1.0.
       (See accompanying file <filename>LICENSE_1_0.txt</filename> or copy at 
@@ -68,7 +77,12 @@
 
     <para>Note that this class is suggested to be part of the next
     Technical Report, which will extend the C++ Standard (see
-    <ulink url="http://std.dkuug.dk/jtc1/sc22/wg21/docs/papers/2003/n1548.htm">http://std.dkuug.dk/jtc1/sc22/wg21/docs/papers/2003/n1548.htm</ulink>).</para>
+    <ulink url="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2003/n1548.htm">http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2003/n1548.htm</ulink>).</para>
+
+    <para>Update: <code>std::array</code> is (as of C++11) part of the C++ standard.
+    The differences between <code>boost::array</code> and <code>std::array</code> are minimal.
+    If you are using C++11, you should consider using <code>std::array</code> instead of <code>boost::array</code>.
+    </para>
 
     <para>Class <code><classname>array</classname></code> fulfills most
     but not all of the requirements of "reversible containers" (see
@@ -171,6 +185,24 @@
               <returns><simpara>iterator for position after the last element</simpara></returns>
               <throws><simpara>will not throw</simpara></throws>
             </overloaded-method>
+
+            <overloaded-method name="cbegin" cv="const">
+              <signature>
+                <type>const_iterator</type>
+              </signature>
+
+              <returns><simpara>constant iterator for the first element</simpara></returns>
+              <throws><simpara>will not throw</simpara></throws>
+            </overloaded-method>
+
+            <overloaded-method name="cend" cv="const">
+              <signature>
+                <type>const_iterator</type>
+              </signature>
+
+              <returns><simpara>constant iterator for position after the last element</simpara></returns>
+              <throws><simpara>will not throw</simpara></throws>
+            </overloaded-method>
           </method-group>
 
           <method-group name="reverse iterator support">
@@ -195,6 +227,24 @@
 
               <returns><simpara>reverse iterator for position after the last element in reverse iteration</simpara></returns>
             </overloaded-method>
+  
+            <overloaded-method name="crbegin" cv="const">
+              <signature>
+                <type>const_reverse_iterator</type>
+              </signature>
+
+              <returns><simpara>constant reverse iterator for the first element of reverse iteration</simpara></returns>
+              <throws><simpara>will not throw</simpara></throws>
+            </overloaded-method>
+
+            <overloaded-method name="crend" cv="const">
+              <signature>
+                <type>const_reverse_iterator</type>
+              </signature>
+
+              <returns><simpara>constant reverse iterator for position after the last element in reverse iteration</simpara></returns>
+              <throws><simpara>will not throw</simpara></throws>
+            </overloaded-method>
           </method-group>
 
           <method-group name="capacity">
@@ -460,6 +510,49 @@
               <returns><simpara><code>!(x &lt; y)</code></simpara></returns>
             </function>
           </free-function-group>
+            
+          <free-function-group name="specializations">
+            <function name="boost::get">
+              <template>
+                <template-type-parameter name="T"/>
+                <template-nontype-parameter name="N">
+                  <type>std::size_t</type>
+                </template-nontype-parameter>
+                <template-nontype-parameter name="Idx">
+                  <type>std::size_t</type>
+                </template-nontype-parameter>
+              </template>
+
+              <type>T</type>
+              
+              <parameter name="arr">
+                <paramtype><classname>array</classname>&lt;T, N&gt;&amp;</paramtype>
+              </parameter>
+              <returns><simpara>element of array with index <code>Idx</code></simpara></returns>
+              <effects><simpara>Will <code>static_assert</code> if <code>Idx >= N</code></simpara></effects>
+            </function>
+
+            <function name="boost::get">
+              <template>
+                <template-type-parameter name="T"/>
+                <template-nontype-parameter name="N">
+                  <type>std::size_t</type>
+                </template-nontype-parameter>
+                <template-nontype-parameter name="Idx">
+                  <type>std::size_t</type>
+                </template-nontype-parameter>
+              </template>
+
+              <type>T</type>
+              
+              <parameter name="arr">
+                <paramtype>const <classname>array</classname>&lt;T, N&gt;&amp;</paramtype>
+              </parameter>
+              <returns><simpara>const element of array with index <code>Idx</code></simpara></returns>
+              <effects><simpara>Will <code>static_assert</code> if <code>Idx >= N</code></simpara></effects>
+            </function>
+          </free-function-group>
+
         </class>
       </namespace>
     </header>

include/boost/array.hpp

@@ -13,6 +13,8 @@
  * accompanying file LICENSE_1_0.txt or copy at
  * http://www.boost.org/LICENSE_1_0.txt)
  *
+ *  9 Jan 2013 - (mtc) Added constexpr
+ * 14 Apr 2012 - (mtc) Added support for boost::hash
  * 28 Dec 2010 - (mtc) Added cbegin and cend (and crbegin and crend) for C++Ox compatibility.
  * 10 Mar 2010 - (mtc) fill method added, matching resolution of the standard library working group.
  *      See <http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#776> or Trac issue #3168
@@ -39,12 +41,12 @@
 #endif
 
 #include <cstddef>
+#include <iterator>
 #include <stdexcept>
 #include <boost/assert.hpp>
+#include <boost/static_assert.hpp>
 #include <boost/swap.hpp>
 
-// Handles broken standard libraries better than <iterator>
-#include <boost/detail/iterator.hpp>
 #include <boost/throw_exception.hpp>
 #include <algorithm>
 
@@ -79,15 +81,9 @@ namespace boost {
         const_iterator cend() const { return elems+N; }
 
         // reverse iterator support
-#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_MSVC_STD_ITERATOR) && !defined(BOOST_NO_STD_ITERATOR_TRAITS)
+#if !defined(BOOST_MSVC_STD_ITERATOR) && !defined(BOOST_NO_STD_ITERATOR_TRAITS)
         typedef std::reverse_iterator<iterator> reverse_iterator;
         typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
-#elif defined(_MSC_VER) && (_MSC_VER == 1300) && defined(BOOST_DINKUMWARE_STDLIB) && (BOOST_DINKUMWARE_STDLIB == 310)
-        // workaround for broken reverse_iterator in VC7
-        typedef std::reverse_iterator<std::_Ptrit<value_type, difference_type, iterator,
-                                      reference, iterator, reference> > reverse_iterator;
-        typedef std::reverse_iterator<std::_Ptrit<value_type, difference_type, const_iterator,
-                                      const_reference, iterator, reference> > const_reverse_iterator;
 #elif defined(_RWSTD_NO_CLASS_PARTIAL_SPEC) 
         typedef std::reverse_iterator<iterator, std::random_access_iterator_tag, 
               value_type, reference, iterator, difference_type> reverse_iterator; 
@@ -118,19 +114,17 @@ namespace boost {
         // operator[]
         reference operator[](size_type i) 
         { 
-            BOOST_ASSERT( i < N && "out of range" ); 
-            return elems[i];
+            return BOOST_ASSERT_MSG( i < N, "out of range" ), elems[i]; 
         }
         
-        const_reference operator[](size_type i) const 
+        /*BOOST_CONSTEXPR*/ const_reference operator[](size_type i) const 
         {     
-            BOOST_ASSERT( i < N && "out of range" ); 
-            return elems[i]; 
+            return BOOST_ASSERT_MSG( i < N, "out of range" ), elems[i]; 
         }
 
         // at() with range check
-        reference at(size_type i) { rangecheck(i); return elems[i]; }
-        const_reference at(size_type i) const { rangecheck(i); return elems[i]; }
+        reference                           at(size_type i)       { return rangecheck(i), elems[i]; }
+        /*BOOST_CONSTEXPR*/ const_reference at(size_type i) const { return rangecheck(i), elems[i]; }
     
         // front() and back()
         reference front() 
@@ -138,7 +132,7 @@ namespace boost {
             return elems[0]; 
         }
         
-        const_reference front() const 
+        BOOST_CONSTEXPR const_reference front() const 
         {
             return elems[0];
         }
@@ -148,15 +142,15 @@ namespace boost {
             return elems[N-1]; 
         }
         
-        const_reference back() const 
+        BOOST_CONSTEXPR const_reference back() const 
         { 
             return elems[N-1]; 
         }
 
         // size is constant
-        static size_type size() { return N; }
-        static bool empty() { return false; }
-        static size_type max_size() { return N; }
+        static BOOST_CONSTEXPR size_type size() { return N; }
+        static BOOST_CONSTEXPR bool empty() { return false; }
+        static BOOST_CONSTEXPR size_type max_size() { return N; }
         enum { static_size = N };
 
         // swap (note: linear complexity)
@@ -187,16 +181,12 @@ namespace boost {
         }
 
         // check range (may be private because it is static)
-        static void rangecheck (size_type i) {
-            if (i >= size()) {
-                std::out_of_range e("array<>: index out of range");
-                boost::throw_exception(e);
-            }
+        static BOOST_CONSTEXPR bool rangecheck (size_type i) {
+            return i >= size() ? boost::throw_exception(std::out_of_range ("array<>: index out of range")), true : true;
         }
 
     };
 
-#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
     template< class T >
     class array< T, 0 > {
 
@@ -220,15 +210,9 @@ namespace boost {
         const_iterator cend() const { return cbegin(); }
 
         // reverse iterator support
-#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !defined(BOOST_MSVC_STD_ITERATOR) && !defined(BOOST_NO_STD_ITERATOR_TRAITS)
+#if !defined(BOOST_MSVC_STD_ITERATOR) && !defined(BOOST_NO_STD_ITERATOR_TRAITS)
         typedef std::reverse_iterator<iterator> reverse_iterator;
         typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
-#elif defined(_MSC_VER) && (_MSC_VER == 1300) && defined(BOOST_DINKUMWARE_STDLIB) && (BOOST_DINKUMWARE_STDLIB == 310)
-        // workaround for broken reverse_iterator in VC7
-        typedef std::reverse_iterator<std::_Ptrit<value_type, difference_type, iterator,
-                                      reference, iterator, reference> > reverse_iterator;
-        typedef std::reverse_iterator<std::_Ptrit<value_type, difference_type, const_iterator,
-                                      const_reference, iterator, reference> > const_reverse_iterator;
 #elif defined(_RWSTD_NO_CLASS_PARTIAL_SPEC) 
         typedef std::reverse_iterator<iterator, std::random_access_iterator_tag, 
               value_type, reference, iterator, difference_type> reverse_iterator; 
@@ -262,14 +246,14 @@ namespace boost {
             return failed_rangecheck();
         }
 
-        const_reference operator[](size_type /*i*/) const
+        /*BOOST_CONSTEXPR*/ const_reference operator[](size_type /*i*/) const
         {
             return failed_rangecheck();
         }
 
         // at() with range check
         reference at(size_type /*i*/)               {   return failed_rangecheck(); }
-        const_reference at(size_type /*i*/) const   {   return failed_rangecheck(); }
+        /*BOOST_CONSTEXPR*/ const_reference at(size_type /*i*/) const   { return failed_rangecheck(); }
 
         // front() and back()
         reference front()
@@ -277,7 +261,7 @@ namespace boost {
             return failed_rangecheck();
         }
 
-        const_reference front() const
+        BOOST_CONSTEXPR const_reference front() const
         {
             return failed_rangecheck();
         }
@@ -287,15 +271,15 @@ namespace boost {
             return failed_rangecheck();
         }
 
-        const_reference back() const
+        BOOST_CONSTEXPR const_reference back() const
         {
             return failed_rangecheck();
         }
 
         // size is constant
-        static size_type size() { return 0; }
-        static bool empty() { return true; }
-        static size_type max_size() { return 0; }
+        static BOOST_CONSTEXPR size_type size() { return 0; }
+        static BOOST_CONSTEXPR bool empty() { return true; }
+        static BOOST_CONSTEXPR size_type max_size() { return 0; }
         enum { static_size = 0 };
 
         void swap (array<T,0>& /*y*/) {
@@ -333,7 +317,6 @@ namespace boost {
 #endif
             }
     };
-#endif
 
     // comparisons
     template<class T, std::size_t N>
@@ -368,17 +351,17 @@ namespace boost {
     }
 
 #if defined(__SUNPRO_CC)
-//	Trac ticket #4757; the Sun Solaris compiler can't handle
-//	syntax like 'T(&get_c_array(boost::array<T,N>& arg))[N]'
-//	
-//	We can't just use this for all compilers, because the 
-//		borland compilers can't handle this form. 
-	namespace detail {
+//  Trac ticket #4757; the Sun Solaris compiler can't handle
+//  syntax like 'T(&get_c_array(boost::array<T,N>& arg))[N]'
+//  
+//  We can't just use this for all compilers, because the 
+//      borland compilers can't handle this form. 
+    namespace detail {
        template <typename T, std::size_t N> struct c_array
        {
            typedef T type[N];
        };
-	}
+    }
     
    // Specific for boost::array: simply returns its elems data member.
    template <typename T, std::size_t N>
@@ -389,7 +372,7 @@ namespace boost {
 
    // Specific for boost::array: simply returns its elems data member.
    template <typename T, std::size_t N>
-   typename const detail::c_array<T,N>::type& get_c_array(const boost::array<T,N>& arg)
+   typename detail::c_array<T,N>::type const& get_c_array(const boost::array<T,N>& arg)
    {
        return arg.elems;
    }
@@ -408,7 +391,7 @@ namespace boost {
         return arg.elems;
     }
 #endif
-	
+    
 #if 0
     // Overload for std::array, assuming that std::array will have
     // explicit conversion functions as discussed at the WG21 meeting
@@ -427,8 +410,44 @@ namespace boost {
     }
 #endif
 
+    template <class It> std::size_t hash_range(It, It);
+
+    template<class T, std::size_t N>
+    std::size_t hash_value(const array<T,N>& arr)
+    {
+        return boost::hash_range(arr.begin(), arr.end());
+    }
+
+   template <size_t Idx, typename T, size_t N>
+   T &get(boost::array<T,N> &arr) BOOST_NOEXCEPT {
+       BOOST_STATIC_ASSERT_MSG ( Idx < N, "boost::get<>(boost::array &) index out of range" );
+       return arr[Idx];
+       }
+    
+   template <size_t Idx, typename T, size_t N>
+   const T &get(const boost::array<T,N> &arr) BOOST_NOEXCEPT {
+       BOOST_STATIC_ASSERT_MSG ( Idx < N, "boost::get<>(const boost::array &) index out of range" );
+       return arr[Idx];
+       }
+
 } /* namespace boost */
 
+#ifndef BOOST_NO_CXX11_HDR_ARRAY
+//  If we don't have std::array, I'm assuming that we don't have std::get
+namespace std {
+   template <size_t Idx, typename T, size_t N>
+   T &get(boost::array<T,N> &arr) BOOST_NOEXCEPT {
+       BOOST_STATIC_ASSERT_MSG ( Idx < N, "std::get<>(boost::array &) index out of range" );
+       return arr[Idx];
+       }
+    
+   template <size_t Idx, typename T, size_t N>
+   const T &get(const boost::array<T,N> &arr) BOOST_NOEXCEPT {
+       BOOST_STATIC_ASSERT_MSG ( Idx < N, "std::get<>(const boost::array &) index out of range" );
+       return arr[Idx];
+       }
+}
+#endif
 
 #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)  
 # pragma warning(pop)  

meta/libraries.json

@@ -0,0 +1,18 @@
+{
+    "key": "array",
+    "name": "Array",
+    "authors": [
+        "Nicolai Josuttis"
+    ],
+    "description": "STL compliant container wrapper for arrays of constant size.",
+    "std": [
+        "tr1"
+    ],
+    "category": [
+        "Containers"
+    ],
+    "maintainers": [
+        "Marshall Clow <marshall -at- idio.com>"
+    ],
+    "cxxstd": "03"
+}

test/Jamfile.v2

@@ -2,8 +2,6 @@
 #~ 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)
 
-import testing ;
-
 test-suite array :
     [ run array0.cpp ]
     [ run array1.cpp ]
@@ -12,4 +10,9 @@ test-suite array :
     [ run array4.cpp ]
     [ run array5.cpp ]
     [ run array6.cpp ]
+    [ run array7.cpp ]
+#    [ run array_constexpr.cpp ]
+    [ compile-fail array_getfail1.cpp ]
+    [ compile-fail array_getfail2.cpp ]
+    [ run array_hash.cpp ]
     ;

test/array0.cpp

@@ -9,18 +9,14 @@
 #include <iostream>
 #include <boost/array.hpp>
 
-namespace {
-unsigned int failed_tests = 0;
+#include <boost/core/lightweight_test_trait.hpp>
 
-void    fail_test( const char * reason ) {
-    ++failed_tests;
-    std::cerr << "Test failure " << failed_tests << ": " << reason << std::endl;
-}
+namespace {
 
 template< class T >
 void    BadValue( const T &  )
 {
-    fail_test( "Unexpected value" );
+    BOOST_TEST ( false );
 }
 
 template< class T >
@@ -36,46 +32,24 @@ void    RunTests()
 
     //  front/back and operator[] must compile, but calling them is undefined
     //  Likewise, all tests below should evaluate to false, avoiding undefined behaviour
-    if( !test_case.empty() ) {
-        BadValue( test_case.front() );
-    }
+    BOOST_TEST (       test_case.empty());
+    BOOST_TEST ( const_test_case.empty());
 
-    if( !const_test_case.empty() ) {
-        BadValue( const_test_case.back() );
-    }
-
-    if( test_case.size() > 0 ) {
-        BadValue( test_case[ 0 ] );
-    }
-
-    if( const_test_case.max_size() > 0 ) {
-        BadValue( const_test_case[ 0 ] );
-    }
+    BOOST_TEST (       test_case.size() == 0 );
+    BOOST_TEST ( const_test_case.size() == 0 );
 
     //  Assert requirements of TR1 6.2.2.4
-    if( test_case.begin() != test_case.end() ) {
-        fail_test( "Not an empty range" );
-    }
-    if( test_case.cbegin() != test_case.cend() ) {
-        fail_test( "Not an empty range" );
-    }
-    if( const_test_case.begin() != const_test_case.end() ) {
-        fail_test( "Not an empty range" );
-    }
-    if( const_test_case.cbegin() != const_test_case.cend() ) {
-        fail_test( "Not an empty range" );
-    }
-
-    if( test_case.begin() == const_test_case.begin() ) {
-        fail_test( "iterators for different containers are not distinct" );
-    }
+    BOOST_TEST ( test_case.begin()  == test_case.end());
+    BOOST_TEST ( test_case.cbegin() == test_case.cend());
+    BOOST_TEST ( const_test_case.begin() == const_test_case.end());
+    BOOST_TEST ( const_test_case.cbegin() == const_test_case.cend());
 
+    BOOST_TEST ( test_case.begin() != const_test_case.begin() );
     if( test_case.data() == const_test_case.data() ) {
     //  Value of data is unspecified in TR1, so no requirement this test pass or fail
     //  However, it must compile!
     }
 
-
     //  Check can safely use all iterator types with std algorithms
     std::for_each( test_case.begin(), test_case.end(), BadValue< T > );
     std::for_each( test_case.rbegin(), test_case.rend(), BadValue< T > );
@@ -87,12 +61,12 @@ void    RunTests()
     //  Check swap is well formed
     std::swap( test_case, test_case );
 
-    //  Check assigment operator and overloads are well formed
+    //  Check assignment operator and overloads are well formed
     test_case   =   const_test_case;
 
     //  Confirm at() throws the std lib defined exception
     try {
-        BadValue( test_case.at( 0 ) );
+        BadValue( test_case.at( 0 ));
     } catch ( const std::out_of_range & ) {
     }
 
@@ -110,6 +84,6 @@ int main()
     RunTests< void * >();
     RunTests< long double >();
     RunTests< std::string >();
-    return failed_tests;
-}
 
+    return boost::report_errors();
+}

test/array2.cpp

@@ -15,12 +15,11 @@
 #include <boost/array.hpp>
 #include "print.hpp"
 using namespace std;
-using namespace boost;
 
 int main()
 {
     // create and initialize array
-    array<int,10> a = { { 1, 2, 3, 4, 5 } };
+    boost::array<int,10> a = { { 1, 2, 3, 4, 5 } };
 
     print_elements(a);
 

test/array6.cpp

@@ -10,39 +10,51 @@
 #include <boost/array.hpp>
 #include <algorithm>
 
+#include <boost/core/lightweight_test_trait.hpp>
+
 namespace {
-unsigned int failed_tests = 0;
-
-void    fail_test( const char * reason ) {
-    ++failed_tests;
-    std::cerr << "Test failure " << failed_tests << ": " << reason << std::endl;
-}
-
-template< class T >
-void    RunTests()
-{
-    typedef boost::array< T, 5 >    test_type;
-    typedef T arr[5];
-    test_type           test_case; //   =   { 1, 1, 2, 3, 5 };
+    template< class T >
+    void    RunTests()
+    {
+        typedef boost::array< T, 5 >    test_type;
+        typedef T arr[5];
+        test_type           test_case; //   =   { 1, 1, 2, 3, 5 };
     
-    arr &aRef = get_c_array ( test_case );
-	if ( &*test_case.begin () != &aRef[0] )
-		fail_test ( "Array6: Same thing not equal?(1)" );
-		
-	const arr &caRef = get_c_array ( test_case );
-	typename test_type::const_iterator iter = test_case.begin ();
-	if ( &*iter != &caRef[0] )
-		fail_test ( "Array6: Same thing not equal?(2)" );
+        arr &aRef = get_c_array ( test_case );
+        BOOST_TEST ( &*test_case.begin () == &aRef[0] );
+        
+        const arr &caRef = get_c_array ( test_case );
+        typename test_type::const_iterator iter = test_case.begin ();
+        BOOST_TEST ( &*iter == &caRef[0] );
+
+    //  Confirm at() throws the std lib defined exception
+        try {
+            test_case.at( test_case.size());
+            BOOST_TEST(false);
+            }
+        catch ( const std::out_of_range & ) {}
+
+        try {
+            test_case.at( test_case.size() + 1);
+            BOOST_TEST(false);
+            }
+        catch ( const std::out_of_range & ) {}
+
+        try {
+            test_case.at( test_case.size() + 100);
+            BOOST_TEST(false);
+            }
+        catch ( const std::out_of_range & ) {}
+    }
 }
 
-}
-
-int main()
+int main ()
 {
     RunTests< bool >();
     RunTests< void * >();
     RunTests< long double >();
     RunTests< std::string >();
-    return failed_tests;
+
+    return boost::report_errors();
 }
 

test/array7.cpp

@@ -0,0 +1,66 @@
+/* tests using std::get on boost:array
+ * (C) Copyright Marshall Clow 2012
+ * 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 <string>
+#include <iostream>
+#include <boost/array.hpp>
+#include <algorithm>
+#ifndef BOOST_NO_CXX11_HDR_ARRAY
+#include <array>
+#endif
+
+#include <boost/core/lightweight_test_trait.hpp>
+
+namespace {
+
+    #ifndef BOOST_NO_CXX11_HDR_ARRAY
+    template< class T >
+    void    RunStdTests()
+    {
+        typedef boost::array< T, 5 >    test_type;
+        test_type           test_case; //   =   { 1, 1, 2, 3, 5 };
+    
+        T &aRef = std::get<0> ( test_case );
+        BOOST_TEST ( &*test_case.begin () == &aRef );
+        
+        const T &caRef = std::get<0> ( test_case );
+        BOOST_TEST ( &*test_case.cbegin () == &caRef );
+    }
+    #endif
+
+    template< class T >
+    void    RunBoostTests()
+    {
+        typedef boost::array< T, 5 >    test_type;
+        test_type           test_case; //   =   { 1, 1, 2, 3, 5 };
+    
+        T &aRef = boost::get<0> ( test_case );
+        BOOST_TEST ( &*test_case.begin () == &aRef );
+        
+        const T &caRef = boost::get<0> ( test_case );
+        BOOST_TEST ( &*test_case.cbegin () == &caRef );
+    }
+
+}
+
+int main()
+{
+    RunBoostTests< bool >();
+    RunBoostTests< void * >();
+    RunBoostTests< long double >();
+    RunBoostTests< std::string >();
+
+#ifndef BOOST_NO_CXX11_HDR_ARRAY
+    RunStdTests< bool >();
+    RunStdTests< void * >();
+    RunStdTests< long double >();
+    RunStdTests< std::string >();
+#endif
+
+    return boost::report_errors();
+}
+

test/array_constexpr.cpp

@@ -0,0 +1,39 @@
+/* tests using constexpr on boost:array
+ * (C) Copyright Marshall Clow 2012
+ * 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 <string>
+#include <iostream>
+#include <boost/array.hpp>
+#include <algorithm>
+#ifndef BOOST_NO_CXX11_HDR_ARRAY
+#include <array>
+#endif
+
+#ifndef BOOST_NO_CXX11_CONSTEXPR
+constexpr boost::array<int, 10> arr  {{ 0,1,2,3,4,5,6,7,8,9 }};
+constexpr std::array<int, 10> arr_std {{ 0,1,2,3,4,5,6,7,8,9 }};
+
+template <typename T>
+void sink ( T t ) {}
+
+template <typename T, size_t N>
+void sink ( boost::array<T,N> &arr ) {}
+
+int main()
+{
+//    constexpr int two = arr_std.at (2);
+    constexpr int three = arr.at (3);
+    int whatever [ arr.at(4) ];
+    (void)three;
+    (void) whatever;
+}
+
+#else   // no constexpr means no constexpr tests!
+int main()
+{
+}
+#endif

test/array_getfail1.cpp

@@ -0,0 +1,50 @@
+/* tests using std::get on boost:array
+ * (C) Copyright Marshall Clow 2012
+ * 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/array.hpp>
+#include <boost/static_assert.hpp>
+
+
+#include <string>
+#include <iostream>
+#include <algorithm>
+#ifndef BOOST_NO_CXX11_HDR_ARRAY
+#include <array>
+#endif
+
+#include <boost/core/lightweight_test_trait.hpp>
+
+namespace {
+
+    #ifndef BOOST_NO_CXX11_HDR_ARRAY
+    template< class T >
+    void    RunStdTests()
+    {
+        typedef boost::array< T, 5 >    test_type;
+        typedef T arr[5];
+        test_type           test_case; //   =   { 1, 1, 2, 3, 5 };
+    
+        T &aRef = std::get<5> ( test_case );    // should fail to compile
+        BOOST_TEST ( &*test_case.begin () == &aRef );
+    }
+    #endif
+
+}
+
+int main()
+{
+#ifndef BOOST_NO_CXX11_HDR_ARRAY
+    RunStdTests< bool >();
+    RunStdTests< void * >();
+    RunStdTests< long double >();
+    RunStdTests< std::string >();
+#else
+    BOOST_STATIC_ASSERT ( false );  // fail on C++03 systems.
+#endif
+
+    return boost::report_errors();
+}

test/array_getfail2.cpp

@@ -0,0 +1,65 @@
+/* tests using std::get on boost:array
+ * (C) Copyright Marshall Clow 2012
+ * 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 <string>
+#include <iostream>
+#include <boost/array.hpp>
+#include <algorithm>
+#ifndef BOOST_NO_CXX11_HDR_ARRAY
+#include <array>
+#endif
+
+#include <boost/core/lightweight_test_trait.hpp>
+
+namespace {
+
+    #ifndef BOOST_NO_CXX11_HDR_ARRAY
+    template< class T >
+    void    RunStdTests()
+    {
+        typedef boost::array< T, 5 >    test_type;
+        typedef T arr[5];
+        test_type           test_case; //   =   { 1, 1, 2, 3, 5 };
+    
+        T &aRef = std::get<0> ( test_case );
+        BOOST_TEST ( &*test_case.begin () == &aRef );
+        
+        const T &caRef = std::get<0> ( test_case );
+        BOOST_TEST ( &*test_case.cbegin () == &caRef );
+    }
+    #endif
+
+    template< class T >
+    void    RunBoostTests()
+    {
+        typedef boost::array< T, 5 >    test_type;
+        typedef T arr[5];
+        test_type           test_case; //   =   { 1, 1, 2, 3, 5 };
+    
+        T &aRef = boost::get<5> ( test_case );
+        BOOST_TEST ( &*test_case.begin () == &aRef );
+    }
+
+}
+
+int main()
+{
+    RunBoostTests< bool >();
+    RunBoostTests< void * >();
+    RunBoostTests< long double >();
+    RunBoostTests< std::string >();
+
+#ifndef BOOST_NO_CXX11_HDR_ARRAY
+    RunStdTests< bool >();
+    RunStdTests< void * >();
+    RunStdTests< long double >();
+    RunStdTests< std::string >();
+#endif
+
+    return boost::report_errors();
+}
+

test/array_hash.cpp

@@ -0,0 +1,44 @@
+/* tests for using boost::hash with boost::array
+ * (C) Copyright Marshall Clow 2012
+ * 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 <string>
+#include <iostream>
+#include <boost/array.hpp>
+#include <algorithm>
+#include <boost/functional/hash.hpp>
+
+#include <boost/core/lightweight_test_trait.hpp>
+
+namespace {
+
+    template< class T >
+    void    RunTests()
+    {
+    //    std::size_t hash0 = boost::hash<boost::array<T,0> > () ( boost::array<T, 0> ());
+    //    std::size_t hash1 = boost::hash<boost::array<T,1> > () ( boost::array<T, 1> ());
+    
+        typedef boost::array< T, 5 >    barr;
+        typedef T arr[5];
+        barr           test_barr =   {{ 1, 1, 2, 3, 5 }};
+        arr            test_arr  =    { 1, 1, 2, 3, 5 };
+    
+        std::size_t bhash = boost::hash<barr> () ( test_barr );
+        std::size_t ahash = boost::hash<arr>  () ( test_arr );
+        BOOST_TEST ( ahash == bhash );
+    }
+
+}
+
+int main()
+{
+    RunTests< int >();
+    RunTests< long >();
+    RunTests< long double >();
+
+    return boost::report_errors();
+}
+

test/test_cmake/CMakeLists.txt

@@ -0,0 +1,22 @@
+# Copyright 2018 Mike Dev
+# 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
+#
+# NOTE: This does NOT run the unit tests for Boost.Array.
+#       It only tests, if the CMakeLists.txt file in it's root works as expected
+
+cmake_minimum_required( VERSION 3.5 )
+
+project( BoostBindCMakeSelfTest )
+
+add_subdirectory( ../../../assert ${CMAKE_CURRENT_BINARY_DIR}/libs/assert )
+add_subdirectory( ../../../config ${CMAKE_CURRENT_BINARY_DIR}/libs/config )
+add_subdirectory( ../../../core ${CMAKE_CURRENT_BINARY_DIR}/libs/core )
+add_subdirectory( ../../../static_assert ${CMAKE_CURRENT_BINARY_DIR}/libs/static_assert )
+add_subdirectory( ../../../throw_exception ${CMAKE_CURRENT_BINARY_DIR}/libs/thorw_exception )
+
+add_subdirectory( ../.. ${CMAKE_CURRENT_BINARY_DIR}/libs/boost_array )
+
+add_executable( boost_array_cmake_self_test main.cpp )
+target_link_libraries( boost_array_cmake_self_test Boost::array )
+

test/test_cmake/main.cpp

@@ -0,0 +1,5 @@
+#include <boost/array.hpp>
+
+int main() {
+    boost::array<int,5> a{};
+}