tree 51a266178284f870c81d4677904d0ebc09e5ec16
parent d50f92a4f0bcd2a28ac0e4ad9942998b144cf48d
author Christopher Di Bella <cjdb@google.com> 1612410104 +0000
committer Christopher Di Bella <cjdb@google.com> 1612985408 +0000

[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