C++11/14/17 std::optional with functional-style extensions and reference support
Single header implementation of std::optional
with functional-style extensions and support for references.
Clang + GCC:
MSVC:
std::optional
is the preferred way to represent an object which may or may not have a value. Unfortunately, chaining together many computations which may or may not produce a value can be verbose, as empty-checking code will be mixed in with the actual programming logic. This implementation provides a number of utilities to make coding with optional
cleaner.
For example, instead of writing this code:
Requires (1)
Tests
Builds
toolchain |
public-0.16.0 |
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x86_64-apple-darwin22.5.0 |
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macos_13-clang_15.0-static_O3 |
timestamp |
2024-04-27 12:26:35 UTC (01 15:56:20 days ago) |
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warning (test) | warning (test-installed) | log | rebuild |
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public-0.16.0 |
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x86_64-apple-darwin22.5.0 |
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macos_13-clang_15.0-O3 |
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2024-04-27 12:25:48 UTC (01 15:57:07 days ago) |
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public-0.16.0 |
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x86_64-apple-darwin22.5.0 |
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macos_13-clang_15.0 |
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2024-04-27 12:25:01 UTC (01 15:57:54 days ago) |
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public-0.16.0 |
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x86_64-linux-gnu |
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linux_fedora_38-gcc_13-bindist |
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2024-04-27 05:54:20 UTC (01 22:28:35 days ago) |
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public-0.16.0 |
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aarch64-linux-gnu |
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linux_debian_12-gcc_13-static_O3 |
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2024-04-27 05:21:27 UTC (01 23:01:27 days ago) |
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public-0.16.0 |
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aarch64-linux-gnu |
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linux_debian_12-gcc_13-ndebug_O3 |
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2024-04-27 05:20:00 UTC (01 23:02:54 days ago) |
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public-0.16.0 |
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aarch64-linux-gnu |
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linux_debian_12-gcc_13-O3 |
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2024-04-27 05:14:35 UTC (01 23:08:19 days ago) |
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public-0.16.0 |
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aarch64-linux-gnu |
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linux_debian_12-gcc_13 |
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2024-04-27 05:11:23 UTC (01 23:11:32 days ago) |
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public-0.16.0 |
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x86_64-linux-gnu |
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linux_fedora_37-gcc_12.2-bindist |
timestamp |
2024-04-27 05:03:48 UTC (01 23:19:06 days ago) |
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public-0.16.0 |
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aarch64-linux-gnu |
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linux_debian_12-clang_16_libc++-O3 |
timestamp |
2024-04-27 04:05:32 UTC (02 00:17:23 days ago) |
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public-0.16.0 |
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aarch64-linux-gnu |
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linux_debian_12-clang_16_libc++-static_O3 |
timestamp |
2024-04-27 04:05:32 UTC (02 00:17:23 days ago) |
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warning (test) | warning (test-installed) | log | rebuild |
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public-0.16.0 |
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aarch64-linux-gnu |
tgt config |
linux_debian_12-clang_16_libc++ |
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2024-04-27 04:04:27 UTC (02 00:18:28 days ago) |
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warning (test) | warning (test-installed) | log | rebuild |
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public-0.16.0 |
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aarch64-linux-gnu |
tgt config |
linux_debian_12-clang_16-static_O3 |
timestamp |
2024-04-27 04:03:09 UTC (02 00:19:46 days ago) |
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public-0.16.0 |
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aarch64-linux-gnu |
tgt config |
linux_debian_12-clang_16-O3 |
timestamp |
2024-04-27 04:02:59 UTC (02 00:19:56 days ago) |
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public-0.16.0 |
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aarch64-linux-gnu |
tgt config |
linux_debian_12-clang_16 |
timestamp |
2024-04-27 04:00:42 UTC (02 00:22:12 days ago) |
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public-0.16.0 |
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x86_64-apple-darwin22.5.0 |
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macos_13-gcc_13_homebrew-static_O3 |
timestamp |
2024-04-26 23:37:06 UTC (02 04:45:49 days ago) |
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public-0.16.0 |
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x86_64-apple-darwin22.5.0 |
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macos_13-gcc_13_homebrew-O3 |
timestamp |
2024-04-26 23:34:39 UTC (02 04:48:16 days ago) |
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toolchain |
public-0.16.0 |
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x86_64-apple-darwin22.5.0 |
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macos_13-gcc_13_homebrew |
timestamp |
2024-04-26 23:32:37 UTC (02 04:50:18 days ago) |
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public-0.16.0 |
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x86_64-w64-mingw32 |
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windows_10-gcc_12.2_mingw_w64-O2 |
timestamp |
2024-04-26 22:24:42 UTC (02 05:58:12 days ago) |
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public-0.16.0 |
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x86_64-w64-mingw32 |
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windows_10-gcc_12.2_mingw_w64 |
timestamp |
2024-04-26 22:21:19 UTC (02 06:01:36 days ago) |
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public-0.16.0 |
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x86_64-w64-mingw32 |
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windows_10-gcc_12.2_mingw_w64-static_O2 |
timestamp |
2024-04-26 22:17:58 UTC (02 06:04:56 days ago) |
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public-0.16.0 |
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aarch64-linux-gnu |
tgt config |
linux_debian_11-gcc_12 |
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2024-04-26 21:46:07 UTC (02 06:36:48 days ago) |
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public-0.16.0 |
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x86_64-linux-gnu |
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linux_debian_12-gcc_12-bindist |
timestamp |
2024-04-26 20:53:17 UTC (02 07:29:38 days ago) |
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public-0.16.0 |
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x86_64-linux-gnu |
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linux_debian_12-gcc_13.1-static_O3 |
timestamp |
2024-04-26 20:46:34 UTC (02 07:36:20 days ago) |
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toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
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linux_debian_12-gcc_13.1-ndebug_O3 |
timestamp |
2024-04-26 20:44:43 UTC (02 07:38:12 days ago) |
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success | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-gcc_13.1-O3 |
timestamp |
2024-04-26 20:43:59 UTC (02 07:38:55 days ago) |
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success | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-gcc_13.1 |
timestamp |
2024-04-26 20:41:04 UTC (02 07:41:50 days ago) |
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success | log | rebuild |
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public-0.16.0 |
target |
x86_64-linux-gnu |
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linux_debian_11-gcc_12.1 |
timestamp |
2024-04-26 20:36:12 UTC (02 07:46:43 days ago) |
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success | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-apple-darwin22.5.0 |
tgt config |
macos_13-clang_14.0-static_O3 |
timestamp |
2024-04-26 13:50:49 UTC (02 14:32:06 days ago) |
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warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-apple-darwin22.5.0 |
tgt config |
macos_13-clang_14.0-O3 |
timestamp |
2024-04-26 13:50:12 UTC (02 14:32:43 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-apple-darwin22.5.0 |
tgt config |
macos_13-clang_14.0 |
timestamp |
2024-04-26 13:49:35 UTC (02 14:33:20 days ago) |
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warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
aarch64-linux-gnu |
tgt config |
linux_debian_12-clang_15 |
timestamp |
2024-04-26 12:16:41 UTC (02 16:06:14 days ago) |
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warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
aarch64-linux-gnu |
tgt config |
linux_debian_12-clang_15_libc++ |
timestamp |
2024-04-26 12:15:56 UTC (02 16:06:58 days ago) |
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warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-microsoft-win32-msvc14.3 |
tgt config |
windows_10-clang_16.0_llvm_msvc_17.6-O2 |
timestamp |
2024-04-26 12:11:17 UTC (02 16:11:38 days ago) |
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toolchain |
public-0.16.0 |
target |
x86_64-microsoft-win32-msvc14.3 |
tgt config |
windows_10-clang_16.0_llvm_msvc_17.6-static_O2 |
timestamp |
2024-04-26 12:10:38 UTC (02 16:12:16 days ago) |
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toolchain |
public-0.16.0 |
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x86_64-microsoft-win32-msvc14.3 |
tgt config |
windows_10-clang_16.0_llvm_msvc_17.6 |
timestamp |
2024-04-26 12:09:55 UTC (02 16:12:59 days ago) |
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toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-clang_16.0-O3 |
timestamp |
2024-04-26 12:06:45 UTC (02 16:16:10 days ago) |
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warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-clang_16.0_libc++-static_O3 |
timestamp |
2024-04-26 12:06:42 UTC (02 16:16:12 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-clang_16.0_libc++-O3 |
timestamp |
2024-04-26 12:06:15 UTC (02 16:16:39 days ago) |
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warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-clang_16.0-static_O3 |
timestamp |
2024-04-26 12:05:44 UTC (02 16:17:11 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-clang_16.0 |
timestamp |
2024-04-26 12:05:38 UTC (02 16:17:17 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-clang_16.0_libc++ |
timestamp |
2024-04-26 12:04:22 UTC (02 16:18:32 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-microsoft-win32-msvc14.3 |
tgt config |
windows_10-clang_15.0_msvc_msvc_17.6 |
timestamp |
2024-04-26 11:53:22 UTC (02 16:29:33 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-clang_15.0 |
timestamp |
2024-04-26 11:49:22 UTC (02 16:33:32 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-linux-gnu |
tgt config |
linux_debian_12-clang_15.0_libc++ |
timestamp |
2024-04-26 11:49:02 UTC (02 16:33:53 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-microsoft-win32-msvc14.3 |
tgt config |
windows_10-msvc_17.6-static_O2 |
timestamp |
2024-04-26 11:48:20 UTC (02 16:34:34 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-microsoft-win32-msvc14.3 |
tgt config |
windows_10-msvc_17.6-O2 |
timestamp |
2024-04-26 11:47:33 UTC (02 16:35:21 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-microsoft-win32-msvc14.3 |
tgt config |
windows_10-msvc_17.6 |
timestamp |
2024-04-26 11:47:18 UTC (02 16:35:37 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-freebsd13.2 |
tgt config |
freebsd_13-clang_14.0-static_O3 |
timestamp |
2024-04-26 11:45:02 UTC (02 16:37:53 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-freebsd13.2 |
tgt config |
freebsd_13-clang_14.0-O3 |
timestamp |
2024-04-26 11:44:23 UTC (02 16:38:32 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-microsoft-win32-msvc14.3 |
tgt config |
windows_10-msvc_17.5 |
timestamp |
2024-04-26 11:44:12 UTC (02 16:38:43 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-freebsd13.2 |
tgt config |
freebsd_13-clang_14.0 |
timestamp |
2024-04-26 11:43:19 UTC (02 16:39:35 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |
toolchain |
public-0.16.0 |
target |
x86_64-freebsd12.4 |
tgt config |
freebsd_12-clang_13.0 |
timestamp |
2024-04-26 11:36:02 UTC (02 16:46:52 days ago) |
result |
warning (test) | warning (test-installed) | log | rebuild |