libboost-optional/1.87.0

[brief]

A value-semantic, type-safe wrapper for representing 'optional' (or 'nullable') objects of a given type. An optional object may or may not contain a value of the underlying type

A library for representing optional (nullable) objects in C++.

optional<int> readInt(); // this function may return either an int or a not-an-int

if (optional<int> oi = readInt()) // did I get a real int
  cout << "my int is: " << *oi;   // use my int
else
  cout << "I have no int";

For more information refer to the documentation provided with this library.

version 1.87.0
license BSL-1.0Boost Software License 1.0
repository https://pkg.cppget.org/1/stable
download libboost-optional-1.87.0.tar.gz
sha256 4ef906407ebb30e17f1b70dbace45fe7cb36b95a91d73a62d540028d918c59cd
project boost
url github.com/boostorg/optional
doc-url www.boost.org/doc/libs/1_87_0/libs/optional
package-url github.com/build2-packaging/boost
package-email packaging@build2.orgMailing list
topics C++Boost

Depends (5)

libboost-assert == 1.87.0
libboost-config == 1.87.0
libboost-core == 1.87.0
libboost-throw-exception == 1.87.0
libboost-type-traits == 1.87.0

Reviews

fail 0
pass 1

Builds

toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14-static_O3
timestamp 2025-09-08 05:54:26 UTC (06:12:51 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14-ndebug_O3
timestamp 2025-09-08 05:53:54 UTC (06:13:23 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14-O3
timestamp 2025-09-08 05:53:22 UTC (06:13:55 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14
timestamp 2025-09-08 05:51:43 UTC (06:15:34 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_17_libc++
timestamp 2025-09-08 01:58:14 UTC (10:09:03 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_17
timestamp 2025-09-08 01:55:08 UTC (10:12:09 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-gcc_14-O3
timestamp 2025-09-07 23:30:53 UTC (12:36:24 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-clang_18_llvm_msvc_17.10-static_O2
timestamp 2025-09-07 23:30:43 UTC (12:36:34 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-clang_18_llvm_msvc_17.10
timestamp 2025-09-07 23:30:07 UTC (12:37:10 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-clang_18_llvm_msvc_17.10-O2
timestamp 2025-09-07 23:29:59 UTC (12:37:18 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-gcc_14-static_O3
timestamp 2025-09-07 23:28:11 UTC (12:39:06 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-gcc_14-ndebug_O3
timestamp 2025-09-07 23:27:46 UTC (12:39:31 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-gcc_14
timestamp 2025-09-07 23:27:40 UTC (12:39:37 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-msvc_17.8-static_O2
timestamp 2025-09-07 23:17:45 UTC (12:49:32 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-msvc_17.8-O2
timestamp 2025-09-07 23:16:48 UTC (12:50:29 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-msvc_17.8
timestamp 2025-09-07 23:14:26 UTC (12:52:51 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-gcc_12-bindist
timestamp 2025-09-07 23:14:16 UTC (12:53:01 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_13
timestamp 2025-09-07 22:43:32 UTC (13:23:45 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_ubuntu_24.04-gcc_13-bindist
timestamp 2025-09-07 22:17:47 UTC (13:49:30 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-w64-mingw32
tgt config windows_10-gcc_13.2_mingw_w64-static_O2
timestamp 2025-09-07 22:09:17 UTC (13:58:00 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-w64-mingw32
tgt config windows_10-gcc_13.2_mingw_w64-O2
timestamp 2025-09-07 22:07:55 UTC (13:59:22 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-w64-mingw32
tgt config windows_10-gcc_13.2_mingw_w64
timestamp 2025-09-07 22:04:38 UTC (14:02:39 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-clang_17_msvc_msvc_17.10
timestamp 2025-09-07 22:00:14 UTC (14:07:03 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-freebsd13.3
tgt config freebsd_13-clang_17
timestamp 2025-09-07 21:47:33 UTC (14:19:44 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-freebsd14.1
tgt config freebsd_14-clang_18-static_O3
timestamp 2025-09-07 21:46:07 UTC (14:21:10 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_17_libc++
timestamp 2025-09-07 21:45:58 UTC (14:21:19 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-gcc_13.1
timestamp 2025-09-07 21:44:39 UTC (14:22:38 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-freebsd14.1
tgt config freebsd_14-clang_18-O3
timestamp 2025-09-07 21:43:42 UTC (14:23:35 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_17
timestamp 2025-09-07 21:42:18 UTC (14:24:59 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-freebsd14.1
tgt config freebsd_14-clang_18
timestamp 2025-09-07 21:40:36 UTC (14:26:41 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-msvc_17.10-O2
timestamp 2025-09-06 16:16:42 UTC (01 19:50:35 days ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-msvc_17.10-static_O2
timestamp 2025-09-06 16:15:59 UTC (01 19:51:18 days ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-microsoft-win32-msvc14.3
tgt config windows_10-msvc_17.10
timestamp 2025-09-06 15:57:12 UTC (01 20:10:05 days ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_fedora_40-gcc_14-bindist
timestamp 2025-09-06 04:46:12 UTC (02 07:21:05 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_18_libc++-static_O3
timestamp 2025-09-06 04:06:43 UTC (02 08:00:34 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_18_libc++
timestamp 2025-09-06 04:06:20 UTC (02 08:00:57 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_18_libc++-O3
timestamp 2025-09-06 04:05:42 UTC (02 08:01:35 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_18
timestamp 2025-09-06 04:05:04 UTC (02 08:02:13 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_18-static_O3
timestamp 2025-09-06 04:04:31 UTC (02 08:02:46 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_18-O3
timestamp 2025-09-06 04:04:11 UTC (02 08:03:06 days ago)
result success | log | rebuild
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_18
result unbuilt
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_18-O3
result unbuilt
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_18-static_O3
result unbuilt
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_18_libc++
result unbuilt
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_18_libc++-O3
result unbuilt
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_18_libc++-static_O3
result unbuilt
toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_fedora_39-gcc_13-bindist
result unbuilt
toolchain public-0.17.0
target x86_64-apple-darwin22.5.0
tgt config macos_13-clang_15.0
result unbuilt
toolchain public-0.17.0
target x86_64-apple-darwin23.5.0
tgt config macos_14-clang_15.0
result unbuilt
toolchain public-0.17.0
target x86_64-apple-darwin23.5.0
tgt config macos_14-clang_15.0-O3
result unbuilt
toolchain public-0.17.0
target x86_64-apple-darwin23.5.0
tgt config macos_14-clang_15.0-static_O3
result unbuilt
target x86_64-apple-darwin23.5.0
tgt config macos_14-gcc_14_homebrew
result excluded (https://github)
target x86_64-apple-darwin23.5.0
tgt config macos_14-gcc_14_homebrew-O3
result excluded (https://github)
target x86_64-apple-darwin23.5.0
tgt config macos_14-gcc_14_homebrew-static_O3
result excluded (https://github)