Add back cxxstd=03 to .drone.jsonnet

Remove dependencies on Boost.StaticAssert

.drone.jsonnet

@@ -34,7 +34,6 @@ local linux_pipeline(name, image, environment, packages = "", sources = [], arch
                 'set -e',
                 'uname -a',
                 'echo $DRONE_STAGE_MACHINE',
-                'wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add -',
             ] +
             (if sources != [] then [ ('apt-add-repository "' + source + '"') for source in sources ] else []) +
             (if packages != "" then [ 'apt-get update', 'apt-get -y install ' + packages ] else []) +
@@ -207,6 +206,13 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
         "g++-14-multilib",
     ),
 
+    linux_pipeline(
+        "Linux 25.10 GCC 15 32/64",
+        "cppalliance/droneubuntu2510:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-15', CXXSTD: '11,14,17,20,23,2c', ADDRMD: '32,64' },
+        "g++-15-multilib",
+    ),
+
     linux_pipeline(
         "Linux 16.04 Clang 3.5",
         "cppalliance/droneubuntu1604:1",
@@ -334,38 +340,45 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
     ),
 
     linux_pipeline(
-        "Linux 24.04 Clang 17 UBSAN",
+        "Linux 24.04 Clang 17",
         "cppalliance/droneubuntu2404:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-17', CXXSTD: '03,11,14,17,20,2b' } + ubsan,
+        { TOOLSET: 'clang', COMPILER: 'clang++-17', CXXSTD: '03,11,14,17,20,2b' },
         "clang-17",
     ),
 
     linux_pipeline(
-        "Linux 24.04 Clang 17 ASAN",
+        "Linux 24.04 Clang 18",
         "cppalliance/droneubuntu2404:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-17', CXXSTD: '03,11,14,17,20,2b' } + asan,
-        "clang-17",
-    ),
-
-    linux_pipeline(
-        "Linux 24.04 Clang 18 UBSAN",
-        "cppalliance/droneubuntu2404:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-18', CXXSTD: '03,11,14,17,20,2b' } + ubsan,
+        { TOOLSET: 'clang', COMPILER: 'clang++-18', CXXSTD: '03,11,14,17,20,2b' },
         "clang-18",
     ),
 
     linux_pipeline(
-        "Linux 24.04 Clang 18 ASAN",
+        "Linux 24.04 Clang 19",
         "cppalliance/droneubuntu2404:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-18', CXXSTD: '03,11,14,17,20,2b' } + asan,
+        { TOOLSET: 'clang', COMPILER: 'clang++-18', CXXSTD: '03,11,14,17,20,2b' },
         "clang-18",
     ),
 
     linux_pipeline(
-        "Linux 24.10 Clang 19",
-        "cppalliance/droneubuntu2410:1",
-        { TOOLSET: 'clang', COMPILER: 'clang++-19', CXXSTD: '03,11,14,17,20,2b' },
-        "clang-19",
+        "Linux 24.04 Clang 20 UBSAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-20', CXXSTD: '03,11,14,17,20,2b' } + ubsan,
+        "clang-20",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 20 ASAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-20', CXXSTD: '03,11,14,17,20,2b' } + asan,
+        "clang-20",
+    ),
+
+    linux_pipeline(
+        "Linux 25.10 Clang 21",
+        "cppalliance/droneubuntu2510:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-21', CXXSTD: '03,11,14,17,20,23,2c' },
+        "clang-21",
     ),
 
     macos_pipeline(
@@ -413,4 +426,10 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
         "cppalliance/dronevs2022:1",
         { TOOLSET: 'msvc-14.3', CXXSTD: '14,17,20,latest' },
     ),
+
+    windows_pipeline(
+        "Windows VS2026 msvc-14.5",
+        "cppalliance/dronevs2026:1",
+        { TOOLSET: 'msvc-14.5', CXXSTD: '14,17,20,latest' },
+    ),
 ]

.github/workflows/ci.yml

@@ -19,157 +19,205 @@ jobs:
         include:
           - toolset: gcc-4.8
             cxxstd: "03,11"
-            os: ubuntu-latest
             container: ubuntu:18.04
+            os: ubuntu-latest
             install: g++-4.8-multilib
             address-model: 32,64
           - toolset: gcc-4.9
             cxxstd: "03,11"
-            os: ubuntu-latest
             container: ubuntu:16.04
+            os: ubuntu-latest
             install: g++-4.9-multilib
             address-model: 32,64
           - toolset: gcc-5
             cxxstd: "03,11,14,1z"
-            os: ubuntu-latest
             container: ubuntu:18.04
+            os: ubuntu-latest
             install: g++-5-multilib
             address-model: 32,64
           - toolset: gcc-6
             cxxstd: "03,11,14,1z"
-            os: ubuntu-latest
             container: ubuntu:18.04
+            os: ubuntu-latest
             install: g++-6-multilib
             address-model: 32,64
           - toolset: gcc-7
             cxxstd: "03,11,14,17"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
             install: g++-7-multilib
             address-model: 32,64
           - toolset: gcc-8
             cxxstd: "03,11,14,17,2a"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
             install: g++-8-multilib
             address-model: 32,64
           - toolset: gcc-9
             cxxstd: "03,11,14,17,2a"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
             install: g++-9-multilib
             address-model: 32,64
           - toolset: gcc-10
             cxxstd: "03,11,14,17,2a"
-            os: ubuntu-22.04
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: g++-10-multilib
             address-model: 32,64
           - toolset: gcc-11
             cxxstd: "03,11,14,17,20"
-            os: ubuntu-22.04
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: g++-11-multilib
             address-model: 32,64
           - toolset: gcc-12
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-22.04
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: g++-12-multilib
             address-model: 32,64
           - toolset: gcc-13
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-24.04
+            container: ubuntu:24.04
+            os: ubuntu-latest
             install: g++-13-multilib
             address-model: 32,64
           - toolset: gcc-14
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-24.04
+            container: ubuntu:24.04
+            os: ubuntu-latest
             install: g++-14-multilib
             address-model: 32,64
+          - toolset: gcc-15
+            cxxstd: "03,11,14,17,20,23,2c"
+            container: ubuntu:25.10
+            os: ubuntu-latest
+            install: g++-15-multilib
+            address-model: 32,64
           - toolset: clang
             compiler: clang++-3.9
             cxxstd: "03,11,14"
-            os: ubuntu-latest
             container: ubuntu:18.04
+            os: ubuntu-latest
             install: clang-3.9
           - toolset: clang
             compiler: clang++-4.0
             cxxstd: "03,11,14"
-            os: ubuntu-latest
             container: ubuntu:18.04
+            os: ubuntu-latest
             install: clang-4.0
           - toolset: clang
             compiler: clang++-5.0
             cxxstd: "03,11,14,1z"
-            os: ubuntu-latest
             container: ubuntu:18.04
+            os: ubuntu-latest
             install: clang-5.0
           - toolset: clang
             compiler: clang++-6.0
             cxxstd: "03,11,14,17"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
             install: clang-6.0
           - toolset: clang
             compiler: clang++-7
             cxxstd: "03,11,14,17"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
             install: clang-7
           - toolset: clang
             compiler: clang++-8
             cxxstd: "03,11,14,17"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
             install: clang-8
           - toolset: clang
             compiler: clang++-9
             cxxstd: "03,11,14,17,2a"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
             install: clang-9
           - toolset: clang
             compiler: clang++-10
             cxxstd: "03,11,14,17,2a"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-10
           - toolset: clang
             compiler: clang++-11
             cxxstd: "03,11,14,17,2a"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-11
           - toolset: clang
             compiler: clang++-12
             cxxstd: "03,11,14,17,20"
-            os: ubuntu-20.04
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-12
           - toolset: clang
             compiler: clang++-13
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-22.04
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: clang-13
           - toolset: clang
             compiler: clang++-14
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-22.04
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: clang-14
           - toolset: clang
             compiler: clang++-15
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-22.04
+            container: ubuntu:22.04
+            os: ubuntu-latest
             install: clang-15
           - toolset: clang
             compiler: clang++-16
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-24.04
+            container: ubuntu:24.04
+            os: ubuntu-latest
             install: clang-16
           - toolset: clang
             compiler: clang++-17
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-24.04
+            container: ubuntu:24.04
+            os: ubuntu-latest
             install: clang-17
           - toolset: clang
             compiler: clang++-18
             cxxstd: "03,11,14,17,20,2b"
-            os: ubuntu-24.04
+            container: ubuntu:24.04
+            os: ubuntu-latest
             install: clang-18
           - toolset: clang
+            compiler: clang++-19
             cxxstd: "03,11,14,17,20,2b"
-            os: macos-13
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-19
+          - toolset: clang
+            compiler: clang++-20
+            cxxstd: "03,11,14,17,20,2b"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-20
+          - toolset: clang
+            compiler: clang++-21
+            cxxstd: "03,11,14,17,20,23,2c"
+            container: ubuntu:25.10
+            os: ubuntu-latest
+            install: clang-21
           - toolset: clang
             cxxstd: "03,11,14,17,20,2b"
             os: macos-14
           - toolset: clang
             cxxstd: "03,11,14,17,20,2b"
             os: macos-15
+          - toolset: clang
+            cxxstd: "03,11,14,17,20,23,2c"
+            os: macos-26
 
     runs-on: ${{matrix.os}}
 
@@ -243,26 +291,18 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - toolset: msvc-14.0
-            cxxstd: 14,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"
+            cxxstd: "14,17,20,latest"
             addrmd: 32,64
-            os: windows-2022
+            os: windows-2025
           - toolset: gcc
             cxxstd: "03,11,14,17,2a"
             addrmd: 64
-            os: windows-2019
+            os: windows-2022
 
     runs-on: ${{matrix.os}}
 
@@ -302,12 +342,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-20.04
-          - os: ubuntu-22.04
-          - os: ubuntu-24.04
-          - os: macos-13
-          - os: macos-14
-          - os: macos-15
+          - os: ubuntu-latest
+          - os: macos-latest
 
     runs-on: ${{matrix.os}}
 
@@ -351,12 +387,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-20.04
-          - os: ubuntu-22.04
-          - os: ubuntu-24.04
-          - os: macos-13
-          - os: macos-14
-          - os: macos-15
+          - os: ubuntu-latest
+          - os: macos-latest
 
     runs-on: ${{matrix.os}}
 
@@ -410,12 +442,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-20.04
-          - os: ubuntu-22.04
-          - os: ubuntu-24.04
-          - os: macos-13
-          - os: macos-14
-          - os: macos-15
+          - os: ubuntu-latest
+          - os: macos-latest
 
     runs-on: ${{matrix.os}}
 
@@ -467,8 +495,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: windows-2019
-          - os: windows-2022
+          - os: windows-latest
 
     runs-on: ${{matrix.os}}
 
@@ -516,8 +543,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: windows-2019
-          - os: windows-2022
+          - os: windows-latest
 
     runs-on: ${{matrix.os}}
 
@@ -583,8 +609,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: windows-2019
-          - os: windows-2022
+          - os: windows-latest
 
     runs-on: ${{matrix.os}}
 

.travis.yml

@@ -34,7 +34,6 @@ matrix:
         - 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:

CMakeLists.txt

@@ -16,7 +16,6 @@ target_link_libraries(boost_array
   INTERFACE
     Boost::assert
     Boost::config
-    Boost::static_assert
     Boost::throw_exception
 )
 

build.jam

@@ -8,7 +8,6 @@ require-b2 5.2 ;
 constant boost_dependencies :
     /boost/assert//boost_assert
     /boost/config//boost_config
-    /boost/static_assert//boost_static_assert
     /boost/throw_exception//boost_throw_exception
     ;
 

doc/array/changes.adoc

@@ -21,3 +21,4 @@ http://www.boost.org/LICENSE_1_0.txt
 * Removed local `hash_value` overload; `boost::hash` supports array-like types natively.
 * `array<T, 0>` can now be initialized with `= {{}}`.
 * Added `operator\<\=>`.
+* Added `to_array`.

doc/array/reference.adoc

@@ -42,6 +42,13 @@ namespace boost {
     constexpr T& get(array<T, N>&) noexcept;
   template<std::size_t Idx, typename T, std::size_t N>
     constexpr const T& get(const array<T, N>&) noexcept;
+
+  template<class T, std::size_t N>
+    constexpr array<T, N> to_array( T const (&)[N] );
+  template<class T, std::size_t N>
+    constexpr array<T, N> to_array( T (&&)[N] );
+  template<class T, std::size_t N>
+    constexpr array<T, N> to_array( T const (&&)[N] );
 }
 ```
 
@@ -417,3 +424,29 @@ Mandates: :: `Idx < N`.
 Returns: :: `arr[Idx]`.
 
 ---
+
+
+### Creation
+
+```
+template<class T, std::size_t N>
+  constexpr array<T, N> to_array( T const (&a)[N] );
+```
+[horizontal]
+Returns: :: an `array<T, N>` `r` such that for each `i` in `[0..N)`, `r[i]` is copied from `a[i]`.
+
+```
+template<class T, std::size_t N>
+  constexpr array<T, N> to_array( T (&&a)[N] );
+```
+[horizontal]
+Returns: :: an `array<T, N>` `r` such that for each `i` in `[0..N)`, `r[i]` is moved from `std::move(a[i])`.
+
+```
+template<class T, std::size_t N>
+  constexpr array<T, N> to_array( T const (&&a)[N] );
+```
+[horizontal]
+Returns: :: an `array<T, N>` `r` such that for each `i` in `[0..N)`, `r[i]` is copied from `a[i]`.
+
+---

include/boost/array.hpp

@@ -430,17 +430,62 @@ namespace boost {
         return arg.elems;
     }
 
-   template <size_t Idx, typename T, size_t N>
-   BOOST_CXX14_CONSTEXPR 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>
+    BOOST_CXX14_CONSTEXPR 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>
-   BOOST_CONSTEXPR 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];
-       }
+    template <size_t Idx, typename T, size_t N>
+    BOOST_CONSTEXPR 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];
+    }
+
+    template<class T, std::size_t N>
+    BOOST_CXX14_CONSTEXPR array<T, N> to_array( T const (&a)[ N ] )
+    {
+        array<T, N> r = {};
+
+        for( std::size_t i = 0; i < N; ++i )
+        {
+            r[ i ] = a[ i ];
+        }
+
+        return r;
+    }
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+
+    template<class T, std::size_t N>
+    BOOST_CXX14_CONSTEXPR array<T, N> to_array( T (&&a)[ N ] )
+    {
+        array<T, N> r = {};
+
+        for( std::size_t i = 0; i < N; ++i )
+        {
+            r[ i ] = std::move( a[ i ] );
+        }
+
+        return r;
+    }
+
+    template<class T, std::size_t N>
+    BOOST_CXX14_CONSTEXPR array<T, N> to_array( T const (&&a)[ N ] )
+    {
+        array<T, N> r = {};
+
+        for( std::size_t i = 0; i < N; ++i )
+        {
+            r[ i ] = a[ i ];
+        }
+
+        return r;
+    }
+
+#endif
 
 } /* namespace boost */
 

index.html

@@ -4,8 +4,8 @@
 </head>
 <body>
 Automatic redirection failed, please go to
-<a href="../../doc/html/array.html">doc/html/array.html</a> &nbsp;<hr>
-<p>© Copyright Beman Dawes, 2001</p>
+<a href="doc/html/array.html">doc/html/array.html</a> &nbsp;<hr>
+<p>© Copyright Beman Dawes, 2001</p>
 <p>Distributed under the Boost Software License, Version 1.0. (See accompanying 
 file <a href="../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or copy 
 at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</p>

test/Jamfile.v2

@@ -84,6 +84,7 @@ run array_eq_test.cpp ;
 run array_lt_test.cpp ;
 run array_thw_test.cpp ;
 run array_get_test.cpp ;
+run to_array_test.cpp ;
 
 # C++11 constexpr
 
@@ -103,6 +104,7 @@ compile array_fill_test_cx.cpp ;
 compile array_eq_test_cx.cpp ;
 compile array_lt_test_cx.cpp ;
 compile array_thw_test_cx.cpp ;
+compile to_array_test_cx.cpp ;
 
 #
 

test/array_access_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #define BOOST_ENABLE_ASSERT_HANDLER
 

test/array_access_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_access_test_cx2.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_assign_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #define BOOST_ALLOW_DEPRECATED_SYMBOLS
 

test/array_assign_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_c_array_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #define BOOST_ALLOW_DEPRECATED_SYMBOLS
 

test/array_convert_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_copy_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_copy_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_data_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_data_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_elems_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_eq_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_eq_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_fill_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_fill_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_get_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_get_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_init_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_init_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_iterator_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_iterator_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_lt_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_lt_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_reverse_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_size_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_size_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_swap_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_swap_test2.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_thw_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test.hpp>

test/array_thw_test_cx.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/config.hpp>

test/array_typedef_test.cpp

@@ -1,6 +1,6 @@
 // Copyright 2025 Peter Dimov
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 #include <boost/core/lightweight_test_trait.hpp>

test/cmake_subdir_test/CMakeLists.txt

@@ -11,7 +11,6 @@ add_subdirectory(../.. boostorg/array)
 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)

test/quick.cpp

@@ -1,6 +1,6 @@
 // Copyright 2023 Peter Dimov.
 // Distributed under the Boost Software License, Version 1.0.
-// https://www.boost.org/LICENSE_1_0.txt)
+// https://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/array.hpp>
 

test/to_array_test.cpp

@@ -0,0 +1,109 @@
+// Copyright 2025 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/array.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
+#include <memory>
+#include <utility>
+
+boost::array<int, 3> f1()
+{
+    boost::array<int, 3> r = {{ 1, 2, 3 }};
+    return r;
+}
+
+boost::array<int, 3> const f2()
+{
+    boost::array<int, 3> r = {{ 1, 2, 3 }};
+    return r;
+}
+
+int main()
+{
+    {
+        int a[] = { 1, 2, 3 };
+
+        boost::array<int, 3> b = boost::to_array( a );
+
+        BOOST_TEST_EQ( b[0], 1 );
+        BOOST_TEST_EQ( b[1], 2 );
+        BOOST_TEST_EQ( b[2], 3 );
+    }
+
+    {
+        int const a[] = { 1, 2, 3 };
+
+        boost::array<int, 3> b = boost::to_array( a );
+
+        BOOST_TEST_EQ( b[0], 1 );
+        BOOST_TEST_EQ( b[1], 2 );
+        BOOST_TEST_EQ( b[2], 3 );
+    }
+
+    {
+        boost::array<int, 3> b = boost::to_array( f1().elems );
+
+        BOOST_TEST_EQ( b[0], 1 );
+        BOOST_TEST_EQ( b[1], 2 );
+        BOOST_TEST_EQ( b[2], 3 );
+    }
+
+    {
+        boost::array<int, 3> b = boost::to_array( f2().elems );
+
+        BOOST_TEST_EQ( b[0], 1 );
+        BOOST_TEST_EQ( b[1], 2 );
+        BOOST_TEST_EQ( b[2], 3 );
+    }
+
+#if BOOST_CXX_VERSION >= 201103L
+
+#if !BOOST_WORKAROUND(BOOST_MSVC, < 1910)
+    {
+        int a[] = { 1, 2, 3 };
+
+        boost::array<int, 3> b = boost::to_array( std::move( a ) );
+
+        BOOST_TEST_EQ( b[0], 1 );
+        BOOST_TEST_EQ( b[1], 2 );
+        BOOST_TEST_EQ( b[2], 3 );
+    }
+
+    {
+        int const a[] = { 1, 2, 3 };
+
+        boost::array<int, 3> b = boost::to_array( std::move( a ) );
+
+        BOOST_TEST_EQ( b[0], 1 );
+        BOOST_TEST_EQ( b[1], 2 );
+        BOOST_TEST_EQ( b[2], 3 );
+    }
+#endif
+
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40900) && !BOOST_WORKAROUND(BOOST_CLANG_VERSION, < 30800)
+    {
+        boost::array<int, 3> b = boost::to_array({ 1, 2, 3 });
+
+        BOOST_TEST_EQ( b[0], 1 );
+        BOOST_TEST_EQ( b[1], 2 );
+        BOOST_TEST_EQ( b[2], 3 );
+    }
+#endif
+
+#if !BOOST_WORKAROUND(BOOST_MSVC, < 1920)
+    {
+        std::unique_ptr<int> a[] = { {}, {}, {} };
+
+        boost::array<std::unique_ptr<int>, 3> b = boost::to_array( std::move( a ) );
+
+        (void)b;
+    }
+#endif
+
+#endif
+
+    return boost::report_errors();
+}

test/to_array_test_cx.cpp

@@ -0,0 +1,32 @@
+// Copyright 2025 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/array.hpp>
+#include <boost/config.hpp>
+#include <boost/config/pragma_message.hpp>
+#include <boost/config/workaround.hpp>
+#include <cstddef>
+
+#if defined(BOOST_NO_CXX14_CONSTEXPR)
+
+BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_NO_CXX14_CONSTEXPR is defined")
+
+#else
+
+#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
+
+int main()
+{
+    {
+        constexpr int a[] = { 1, 2, 3, 4 };
+        constexpr boost::array<int, 4> b = boost::to_array( a );
+
+        STATIC_ASSERT( b[0] == 1 );
+        STATIC_ASSERT( b[1] == 2 );
+        STATIC_ASSERT( b[2] == 3 );
+        STATIC_ASSERT( b[3] == 4 );
+    }
+}
+
+#endif