libboost-optional/1.83.0

[full]

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 1.83.0
license BSL-1.0Boost Software License 1.0
repository https://pkg.cppget.org/1/stable
download libboost-optional-1.83.0.tar.gz
sha256 bcb3bf3870d4fe61f4008e65a72edebac40ddbb2faf67a792d18457d457b1c7e
project boost
url github.com/boostorg/optional
doc-url www.boost.org/doc/libs/1_83_0/libs/optional
package-url github.com/build2-packaging/boost
package-email packaging@build2.orgMailing list
topics C++Boost

Depends (10)

libboost-assert == 1.83.0
libboost-config == 1.83.0
libboost-core == 1.83.0
libboost-detail == 1.83.0
libboost-move == 1.83.0
libboost-predef == 1.83.0
libboost-static-assert == 1.83.0
libboost-throw-exception == 1.83.0
libboost-type-traits == 1.83.0
libboost-utility == 1.83.0

Reviews

fail 0
pass 1

Builds

toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-gcc_14-ndebug_O3
timestamp 2025-09-07 17:07:21 UTC (22:01 minutes 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 17:06:59 UTC (22:23 minutes 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 17:06:26 UTC (22:56 minutes 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 17:05:37 UTC (23:45 minutes 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 16:36:19 UTC (53:03 minutes 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 16:33:31 UTC (55:50 minutes 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 16:31:09 UTC (58:13 minutes 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 2025-09-07 16:22:26 UTC (01:06:56 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-static_O2
timestamp 2025-09-07 16:21:37 UTC (01:07:44 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
timestamp 2025-09-07 16:20:36 UTC (01:08:46 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 16:20:13 UTC (01:09:09 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 16:19:12 UTC (01:10:10 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 16:18:17 UTC (01:11:05 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 16:16:59 UTC (01:12:23 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 16:16:48 UTC (01:12:33 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 16:15:53 UTC (01:13:29 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 16:14:42 UTC (01:14:40 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 16:10:47 UTC (01:18:35 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 15:31:55 UTC (01:57:27 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 15:20:03 UTC (02:09:19 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 15:09:08 UTC (02:20:14 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 15:08:51 UTC (02:20:31 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 15:08:17 UTC (02:21:05 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 15:08:00 UTC (02:21:22 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 15:07:56 UTC (02:21:26 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 15:07:39 UTC (02:21:43 hours ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14
timestamp 2025-09-07 05:51:24 UTC (11:37:58 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 2025-09-07 05:45:39 UTC (11:43:43 hours 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 15:58:10 UTC (01 01:31:12 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 15:57:04 UTC (01 01:32:17 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 15:56:00 UTC (01 01:33:22 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 15:55:37 UTC (01 01:33:44 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 15:53:53 UTC (01 01:35:29 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 15:53:06 UTC (01 01:36:16 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14-static_O3
timestamp 2025-09-06 08:15:16 UTC (01 09:14:06 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14-O3
timestamp 2025-09-06 08:14:16 UTC (01 09:15:06 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_17_libc++
timestamp 2025-09-05 10:44:13 UTC (02 06:45:09 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_17
timestamp 2025-09-05 10:43:38 UTC (02 06:45:43 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_13
timestamp 2025-09-05 10:29:33 UTC (02 06:59:49 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 2025-09-05 02:58:54 UTC (02 14:30:28 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)