[PATCH] D22951: [ADT] Add filter_iterator for filtering elements

[Tim Shen via llvm-commits]

timshen added inline comments.

================
Comment at: unittests/Support/IteratorTest.cpp:156
@@ +155,3 @@
+  };
+
+  auto IsOdd = [](int a) { return a % 2 == 1; };
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Ehhh... I already used them?


https://reviews.llvm.org/D22951