std::optional library for C++14
A reasonably-conforming optional class template implementation for C++14
that automatically "falls forward" to std::optional if available.
Supported compilers are GCC >= 4.9, Clang >= 3.7, and MSVC >= 14.3.
Reviews
Builds
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-clang_14.0_llvm_msvc_17.2_lld |
| timestamp |
2025-09-25 05:02:01 UTC (02:10 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.2 |
| tgt config |
windows_10_devmode-msvc_16.11 |
| timestamp |
2025-09-25 04:59:46 UTC (04:25 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.2 |
| tgt config |
windows_10-msvc_16.11 |
| timestamp |
2025-09-25 04:56:44 UTC (07:27 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.0 |
| tgt config |
windows_10-msvc_14.3 |
| timestamp |
2025-09-25 04:55:30 UTC (08:41 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-microsoft-win32-msvc14.1 |
| tgt config |
windows_10-msvc_15.9 |
| timestamp |
2025-09-25 04:48:59 UTC (15:13 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_ubuntu_22.04-gcc_11-bindist |
| timestamp |
2025-09-25 04:30:14 UTC (33:57 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_9-clang_8.0_libc++ |
| timestamp |
2025-09-25 04:30:06 UTC (34:05 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_9-gcc_8.4 |
| timestamp |
2025-09-25 04:29:54 UTC (34:17 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_9-clang_7.0_libc++ |
| timestamp |
2025-09-25 04:29:45 UTC (34:26 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_9-clang_6.0_libc++ |
| timestamp |
2025-09-25 04:29:34 UTC (34:37 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_9-gcc_7.4 |
| timestamp |
2025-09-25 04:29:21 UTC (34:50 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_9-clang_8.0 |
| timestamp |
2025-09-25 04:29:12 UTC (35:00 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_16.0_libc++ |
| timestamp |
2025-09-25 04:29:01 UTC (35:10 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_15.0_libc++ |
| timestamp |
2025-09-25 04:28:48 UTC (35:23 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_9-clang_7.0 |
| timestamp |
2025-09-25 04:28:39 UTC (35:32 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_8-gcc_4.9 |
| timestamp |
2025-09-25 04:28:31 UTC (35:41 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_9-clang_6.0 |
| timestamp |
2025-09-25 04:28:18 UTC (35:53 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_16.0 |
| timestamp |
2025-09-25 04:28:04 UTC (36:07 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_15.0 |
| timestamp |
2025-09-25 04:27:57 UTC (36:14 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_11-clang_14.0_libc++ |
| timestamp |
2025-09-25 04:27:47 UTC (36:25 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_11-clang_13.0_libc++ |
| timestamp |
2025-09-25 04:27:33 UTC (36:38 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_11-gcc_10.2-bindist |
| timestamp |
2025-09-25 04:27:24 UTC (36:47 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-clang_9.0_libc++ |
| timestamp |
2025-09-25 04:27:18 UTC (36:53 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-clang_12.0_libc++ |
| timestamp |
2025-09-25 04:26:59 UTC (37:12 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_11-gcc_11.3 |
| timestamp |
2025-09-25 04:26:49 UTC (37:22 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-clang_11.0_libc++ |
| timestamp |
2025-09-25 04:26:44 UTC (37:27 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_11-clang_14.0 |
| timestamp |
2025-09-25 04:26:23 UTC (37:48 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_11-clang_13.0 |
| timestamp |
2025-09-25 04:26:13 UTC (37:58 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-clang_10.0_libc++ |
| timestamp |
2025-09-25 04:26:10 UTC (38:01 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-gcc_10.2 |
| timestamp |
2025-09-25 04:25:53 UTC (38:18 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-clang_9.0 |
| timestamp |
2025-09-25 04:25:43 UTC (38:29 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-clang_12.0 |
| timestamp |
2025-09-25 04:25:20 UTC (38:51 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-clang_11.0 |
| timestamp |
2025-09-25 04:25:10 UTC (39:01 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-clang_10.0 |
| timestamp |
2025-09-25 04:22:31 UTC (41:41 minutes ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_rhel_9-gcc_11-bindist |
| timestamp |
2025-09-24 13:25:27 UTC (15:38:45 hours ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_fedora_40-gcc_14-bindist |
| timestamp |
2025-09-24 05:05:16 UTC (23:58:55 hours 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 |
2025-09-24 03:41:46 UTC (01 01:22:25 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 |
2025-09-24 03:41:08 UTC (01 01:23:03 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 |
2025-09-24 03:40:55 UTC (01 01:23:16 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18-O3 |
| timestamp |
2025-09-24 03:39:20 UTC (01 01:24:51 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++ |
| timestamp |
2025-09-24 03:38:09 UTC (01 01:26:02 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18 |
| timestamp |
2025-09-24 03:37:34 UTC (01 01:26:37 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_rhel_8-gcc_8-bindist |
| timestamp |
2025-09-23 21:01:59 UTC (01 08:02:12 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_13 |
| timestamp |
2025-09-23 15:38:44 UTC (01 13:25:27 days 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 |
2025-09-22 22:31:48 UTC (02 06:32:23 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 |
2025-09-22 22:31:03 UTC (02 06:33:08 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-O2 |
| timestamp |
2025-09-22 22:30:52 UTC (02 06:33:19 days 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 |
2025-09-22 22:30:27 UTC (02 06:33:44 days 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 |
2025-09-22 22:30:15 UTC (02 06:33:56 days 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 |
2025-09-22 22:29:58 UTC (02 06:34:14 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 |
2025-09-22 22:29:53 UTC (02 06:34:19 days 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 |
2025-09-22 22:29:37 UTC (02 06:34:34 days 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 |
2025-09-22 22:29:11 UTC (02 06:35:00 days 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 |
2025-09-22 22:29:04 UTC (02 06:35:08 days 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 |
2025-09-22 22:28:45 UTC (02 06:35:26 days 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 |
2025-09-22 22:28:28 UTC (02 06:35:43 days 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 |
2025-09-22 22:27:34 UTC (02 06:36:37 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_12-bindist |
| timestamp |
2025-09-22 22:24:49 UTC (02 06:39:22 days 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 |
2025-09-22 22:20:24 UTC (02 06:43:47 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-freebsd13.3 |
| tgt config |
freebsd_13-clang_17 |
| timestamp |
2025-09-22 22:13:25 UTC (02 06:50:46 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-O3 |
| timestamp |
2025-09-22 22:11:11 UTC (02 06:53:00 days 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 |
2025-09-22 22:10:22 UTC (02 06:53:49 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14 |
| timestamp |
2025-09-22 22:09:40 UTC (02 06:54:31 days 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 |
2025-09-22 22:09:14 UTC (02 06:54:57 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-freebsd14.1 |
| tgt config |
freebsd_14-clang_18-static_O3 |
| timestamp |
2025-09-22 22:02:48 UTC (02 07:01:23 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-freebsd14.1 |
| tgt config |
freebsd_14-clang_18-O3 |
| timestamp |
2025-09-22 22:02:28 UTC (02 07:01:43 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-freebsd14.1 |
| tgt config |
freebsd_14-clang_18 |
| timestamp |
2025-09-22 21:59:34 UTC (02 07:04:37 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_17_libc++ |
| timestamp |
2025-09-22 21:58:09 UTC (02 07:06:02 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-gcc_13.1 |
| timestamp |
2025-09-22 21:58:06 UTC (02 07:06:06 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_12-clang_17 |
| timestamp |
2025-09-22 21:57:04 UTC (02 07:07:07 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_17 |
| timestamp |
2025-09-22 17:41:13 UTC (02 11:22:58 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_17_libc++ |
| timestamp |
2025-09-22 17:40:44 UTC (02 11:23:27 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 |
2025-09-22 09:07:16 UTC (02 19:56:55 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-O3 |
| timestamp |
2025-09-22 09:06:40 UTC (02 19:57:31 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14 |
| timestamp |
2025-09-22 09:05:36 UTC (02 19:58:35 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-ndebug_O3 |
| timestamp |
2025-09-22 09:04:32 UTC (02 19:59:39 days ago) |
| result |
success | log | rebuild |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_10-gcc_9.3 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_11-gcc_12.1 |
| result |
unbuilt |
| 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-linux-gnu |
| tgt config |
linux_ubuntu_16.04-clang_3.7_libc++ |
| 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 |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew-O3 |
| result |
unbuilt |
| toolchain |
public-0.17.0 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew-static_O3 |
| result |
unbuilt |
Changes
Version 1.0.0
* First public release.