Add llvm::for_each as a range-based extensions to <algorithm> and make use of it in some cases where it is a more clear alternative to std::for_each.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317356 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/include/llvm/ADT/STLExtras.h b/include/llvm/ADT/STLExtras.h
index 3ec9dfe5de0..c42d976f467 100644
--- a/include/llvm/ADT/STLExtras.h
+++ b/include/llvm/ADT/STLExtras.h
@@ -813,6 +813,13 @@ void DeleteContainerSeconds(Container &C) {
   C.clear();
 }
 
+/// Provide wrappers to std::for_each which take ranges instead of having to

+/// pass begin/end explicitly.

+template <typename R, typename UnaryPredicate>

+UnaryPredicate for_each(R &&Range, UnaryPredicate P) {

+  return std::for_each(std::begin(Range), std::end(Range), P);

+}

+
 /// Provide wrappers to std::all_of which take ranges instead of having to pass
 /// begin/end explicitly.
 template <typename R, typename UnaryPredicate>