[PATCH] D26999: Add some functions to search ArrayRefs

[Zachary Turner via llvm-commits]

zturner created this revision.
zturner added reviewers: chandlerc, mehdi_amini.
zturner added a subscriber: llvm-commits.

This mirrors the interface of `StringRef` by adding functions for searching and dropping items from an `ArrayRef` until a certain condition is met.  Specifically, this adds `take_front`, `take_back`, `drop_front`, and `drop_back`, along with helper functions `find_if` and `find_if_not`.


https://reviews.llvm.org/D26999

Files:
  include/llvm/ADT/ArrayRef.h
  unittests/ADT/ArrayRefTest.cpp

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