[libc-commits] [PATCH] D149972: [libc] Rework 'cpp:optional' to support move construction

[Joseph Huber via Phabricator via libc-commits]

jhuber6 created this revision.
jhuber6 added reviewers: sivachandra, lntue, gchatelet, JonChesterfield, jdoerfert, michaelrj.
Herald added subscribers: libc-commits, ecnelises, tschuett.
Herald added projects: libc-project, All.
jhuber6 requested review of this revision.

This patch replaces the existing `cpp::optional` type with a newer
version that has more features. This class is heavily inspired by the
old `llvm::Optional` class. Currently the limitations of this class is
that we only handle types with trivial constructors or operators.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D149972

Files:
  libc/src/__support/CPP/optional.h

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