Implement P3168R1: Give std::optional Range Support

beman-project / optional26

Beman.Optional26: `std::optional` extensions targeting C++26

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Implement P3168R1: Give std::optional Range Support #9

Closed neatudarius closed 3 months ago

neatudarius commented 3 months ago

Implement P3168R1: Give std::optional Range Support - issue #14 .

Apply P3168R1 wording
Apply P3168R1 wording also for optional<T&>
Move tests into a subdirectory
Add tests for features related to P3168R1.
Temporary disable clang-19 cI flow until we can locally replicate it on Ubuntu x86_64 and arm64 (check: https://github.com/llvm/llvm-project/issues/95380).

Note: __cpp_lib_format_ranges available only on clang (check comments from optional.hpp.

steve-downey commented 3 months ago

Temporary disable clang-19 cI flow until we can locally replicate it on Ubuntu x86_64 and arm64 (check: Distribution 'ubuntu' in version '24.10 (Oracular Oriole)' is not supported by this script. llvm/llvm-project#95380).

Getting 24.10 is unexpected - what we want is 24.04, which also isn't or wasn't ubuntu-latest yet. Will address in a different PR.

neatudarius commented 3 months ago

Temporary disable clang-19 cI flow until we can locally replicate it on Ubuntu x86_64 and arm64 (check: Distribution 'ubuntu' in version '24.10 (Oracular Oriole)' is not supported by this script. llvm/llvm-project#95380).

Getting 24.10 is unexpected - what we want is 24.04, which also isn't or wasn't ubuntu-latest yet. Will address in a different PR.

OK. We can address it in issue - #1