Commit Graph

2 Commits

Author SHA1 Message Date
Joe Loser d2baefae68
[libc++] Replace _LIBCPP_HAS_NO_CONCEPTS with _LIBCPP_STD_VER > 17. NFCI.
All supported compilers that support C++20 now support concepts. So, remove
`_LIB_LIBCPP_HAS_NO_CONCEPTS` in favor of `_LIBCPP_STD_VER > 17`. Similarly in
the tests, remove `// UNSUPPORTED: libcpp-no-concepts`.

Differential Revision: https://reviews.llvm.org/D121528
2022-03-13 12:32:06 -04:00
Christopher Di Bella 24c44c379f [libcxx] adds std::identity to <functional>
Implements parts of:
    - P0898R3 Standard Library Concepts

Differential Revision: https://reviews.llvm.org/D98151
2021-03-29 16:16:05 +00:00