[all-commits] [llvm/llvm-project] 15c809: [libc++][format] Adds a formattable concept.

[mordante via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 15c809e8e78083d59f1c0b09ca1d1644e0976961
      https://github.com/llvm/llvm-project/commit/15c809e8e78083d59f1c0b09ca1d1644e0976961
  Author: Mark de Wever <koraq at xs4all.nl>
  Date:   2022-05-18 (Wed, 18 May 2022)

  Changed paths:
    M libcxx/include/CMakeLists.txt
    A libcxx/include/__format/concepts.h
    M libcxx/include/__format/format_fwd.h
    M libcxx/include/format
    M libcxx/include/module.modulemap
    M libcxx/test/libcxx/private_headers.verify.cpp
    A libcxx/test/libcxx/utilities/format/format.formatter/format.formatter.spec/formattable.compile.pass.cpp

  Log Message:
  -----------
  [libc++][format] Adds a formattable concept.

The concept is based on P2286R2 Formatting Ranges. It will be used to
optimise the storage of __format_arg_store as required by LWG-3473.

Depends on D120916

Reviewed By: #libc, Mordante

Differential Revision: https://reviews.llvm.org/D120921