[ADT] add iterator_range::empty()

llvm-svn: 361944
2019-05-29 10:39:01 +00:00 · 2019-05-29 10:39:01 +00:00 · 7964f6fe5f
parent 8ac7b2d07b
commit 7964f6fe5f
1 changed files with 1 additions and 0 deletions
--- a/llvm/include/llvm/ADT/iterator_range.h
+++ b/llvm/include/llvm/ADT/iterator_range.h
@ -44,6 +44,7 @@ public:

  IteratorT begin() const { return begin_iterator; }
  IteratorT end() const { return end_iterator; }
+  bool empty() const { return begin_iterator == end_iterator; }
 };

 /// Convenience function for iterating over sub-ranges.