[PATCH] D23178: [ADT] Add relation operators for Optional

[Tim Shen via llvm-commits]

timshen updated this revision to Diff 67714.
timshen added a comment.

Done.

I used non-literal for CheckRelation, e.g.
CheckRelation<Greater>(InequalityRhs, InequalityLhs, IsLess);

So that it seems more readable (read as Rhs is less then Lhs).


https://reviews.llvm.org/D23178

Files:
  include/llvm/ADT/Optional.h
  unittests/ADT/OptionalTest.cpp

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