[libcxx-commits] [PATCH] D70617: Add default initialization to compressed_pair.

[Martijn Vels via Phabricator via libcxx-commits]

mvels created this revision.
Herald added subscribers: libcxx-commits, christof.
Herald added a project: libc++.
mvels added a reviewer: EricWF.
Herald added a reviewer: mclow.lists.

This change introduces the __default_init_tag to memory, and a corresponding element constructor to allow for default initialization of either of the pair values. This is useful for classes such as std::string where most (all) constructors explitly initialize the values in the constructor.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D70617

Files:
  libcxx/include/memory
  libcxx/test/std/memory/compressed_pair/compressed_pair.pass.cpp
  libcxx/test/std/memory/nothing_to_do.pass.cpp

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