[PATCH] D24880: Add StringExtras join_items function

[Zachary Turner via llvm-commits]

zturner updated this revision to Diff 72340.
zturner added a comment.

Added some tests to show that it works when you use operands of different types.

Also templatized the separator so that it can be a `char` (or anything else for that matter), and not just a `StringRef`.


https://reviews.llvm.org/D24880

Files:
  include/llvm/ADT/StringExtras.h
  unittests/ADT/CMakeLists.txt
  unittests/ADT/StringExtrasTest.cpp

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