[all-commits] [llvm/llvm-project] 647af3: [libcxx] adds concept `std::assignable_from`

[Christopher Di Bella via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 647af31e74830e067834f50985f18ac7cc16c2a3
      https://github.com/llvm/llvm-project/commit/647af31e74830e067834f50985f18ac7cc16c2a3
  Author: Christopher Di Bella <cjdb.ns at gmail.com>
  Date:   2021-03-03 (Wed, 03 Mar 2021)

  Changed paths:
    M libcxx/include/concepts
    A libcxx/test/std/concepts/lang/assignable.compile.pass.cpp

  Log Message:
  -----------
  [libcxx] adds concept `std::assignable_from`

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

Depends on D96660

Reviewed By: ldionne, #libc

Differential Revision: https://reviews.llvm.org/D96742