[PATCH] D152891: [ADT] Add deduction guide for iterator_range

[Balázs Benics via Phabricator via llvm-commits]

steakhal created this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D152891

Files:
  llvm/include/llvm/ADT/iterator_range.h


Index: llvm/include/llvm/ADT/iterator_range.h
===================================================================
--- llvm/include/llvm/ADT/iterator_range.h
+++ llvm/include/llvm/ADT/iterator_range.h
@@ -46,6 +46,10 @@
   bool empty() const { return begin_iterator == end_iterator; }
 };
 
+template <typename Container>
+iterator_range(Container &&)
+    -> iterator_range<decltype(std::declval<Container>().begin())>;
+
 /// Convenience function for iterating over sub-ranges.
 ///
 /// This provides a bit of syntactic sugar to make using sub-ranges


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