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

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pass 1

Builds

toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-gcc_14-ndebug_O3
timestamp 2025-09-24 17:20:01 UTC (05:55:05 hours ago)
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toolchain public-0.17.0
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tgt config linux_debian_12-gcc_14
timestamp 2025-09-24 17:17:33 UTC (05:57:33 hours ago)
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tgt config linux_debian_12-gcc_14-static_O3
timestamp 2025-09-24 17:16:50 UTC (05:58:16 hours ago)
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toolchain public-0.17.0
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tgt config linux_debian_12-gcc_14-O3
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toolchain public-0.17.0
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tgt config windows_10-clang_18_llvm_msvc_17.10-static_O2
timestamp 2025-09-24 16:46:45 UTC (06:28:21 hours ago)
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toolchain public-0.17.0
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toolchain public-0.17.0
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tgt config windows_10-gcc_13.2_mingw_w64-O2
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toolchain public-0.17.0
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tgt config windows_10-gcc_13.2_mingw_w64-static_O2
timestamp 2025-09-24 16:29:03 UTC (06:46:03 hours ago)
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toolchain public-0.17.0
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tgt config windows_10-msvc_17.8-static_O2
timestamp 2025-09-24 16:28:26 UTC (06:46:41 hours ago)
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toolchain public-0.17.0
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tgt config windows_10-gcc_13.2_mingw_w64
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toolchain public-0.17.0
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tgt config windows_10-msvc_17.8
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toolchain public-0.17.0
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tgt config windows_10-msvc_17.8-O2
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toolchain public-0.17.0
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tgt config windows_10-clang_17_msvc_msvc_17.10
timestamp 2025-09-24 16:26:58 UTC (06:48:08 hours ago)
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toolchain public-0.17.0
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tgt config linux_debian_12-gcc_12-bindist
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toolchain public-0.17.0
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tgt config freebsd_13-clang_17
timestamp 2025-09-24 16:17:22 UTC (06:57:45 hours ago)
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toolchain public-0.17.0
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tgt config linux_ubuntu_24.04-gcc_13-bindist
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tgt config freebsd_14-clang_18-O3
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toolchain public-0.17.0
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tgt config linux_debian_12-clang_17
timestamp 2025-09-24 13:32:22 UTC (09:42:45 hours ago)
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toolchain public-0.17.0
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tgt config linux_debian_12-clang_17_libc++
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toolchain public-0.17.0
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tgt config freebsd_14-clang_18
timestamp 2025-09-24 13:31:28 UTC (09:43:39 hours ago)
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toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-gcc_13.1
timestamp 2025-09-24 13:31:03 UTC (09:44:04 hours ago)
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tgt config linux_debian_12-clang_17
timestamp 2025-09-24 13:30:03 UTC (09:45:04 hours ago)
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toolchain public-0.17.0
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tgt config linux_debian_12-gcc_13
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toolchain public-0.17.0
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tgt config linux_debian_12-clang_18_libc++-O3
timestamp 2025-09-23 20:03:45 UTC (01 03:11:21 days ago)
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toolchain public-0.17.0
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tgt config linux_debian_12-clang_18-static_O3
timestamp 2025-09-23 20:03:05 UTC (01 03:12:01 days ago)
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toolchain public-0.17.0
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timestamp 2025-09-23 20:02:45 UTC (01 03:12:21 days ago)
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toolchain public-0.17.0
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tgt config linux_debian_12-clang_18_libc++
timestamp 2025-09-23 20:02:13 UTC (01 03:12:54 days ago)
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toolchain public-0.17.0
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tgt config linux_debian_12-clang_18
timestamp 2025-09-23 20:01:40 UTC (01 03:13:27 days ago)
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toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-clang_18-O3
timestamp 2025-09-23 20:01:05 UTC (01 03:14:02 days ago)
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toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_fedora_40-gcc_14-bindist
timestamp 2025-09-22 03:29:30 UTC (02 19:45:37 days ago)
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toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14
timestamp 2025-09-21 07:15:14 UTC (03 15:59:53 days ago)
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toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14-ndebug_O3
timestamp 2025-09-21 07:11:30 UTC (03 16:03:37 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 2025-09-20 09:04:53 UTC (04 14:10:14 days ago)
result success | log | rebuild
toolchain public-0.17.0
target aarch64-linux-gnu
tgt config linux_debian_12-gcc_14-O3
timestamp 2025-09-20 09:03:30 UTC (04 14:11:36 days ago)
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toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_18
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toolchain public-0.17.0
target x86_64-linux-gnu
tgt config linux_debian_12-clang_18-O3
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toolchain public-0.17.0
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toolchain public-0.17.0
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toolchain public-0.17.0
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tgt config macos_13-clang_15.0
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