tree 5ac53c8b22a26cf31ea889d51ccd539925a49075
parent 6e2c25219f173d168d64abae0e8dfff697a7fe2d
author Christopher Di Bella <cjdb@google.com> 1612410104 +0000
committer Copybara-Service <copybara-worker@google.com> 1613725568 -0800

[libcxx] adds concept std::derived_from

Implements parts of:
    - P0898R3 Standard Library Concepts
    - P1754 Rename concepts to standard_case for C++20, while we still can

Reviewed By: ldionne, #libc

Differential Revision: https://reviews.llvm.org/D74292

GitOrigin-RevId: c63de225fdd7c7adf6ed041c0bff318d9ae75c00