[PATCH] D56622: [Algorithm] Add make_const_ref corresponding to make_const_ptr

[Stephen Kelly via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL351009: [Algorithm] Add make_const_ref corresponding to make_const_ptr (authored by steveire, committed by ).

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56622/new/

https://reviews.llvm.org/D56622

Files:
  llvm/trunk/include/llvm/ADT/STLExtras.h


Index: llvm/trunk/include/llvm/ADT/STLExtras.h
===================================================================
--- llvm/trunk/include/llvm/ADT/STLExtras.h
+++ llvm/trunk/include/llvm/ADT/STLExtras.h
@@ -75,6 +75,12 @@
   using type =
       typename std::add_pointer<typename std::add_const<T>::type>::type;
 };
+
+template <typename T> struct make_const_ref {
+  using type = typename std::add_lvalue_reference<
+      typename std::add_const<T>::type>::type;
+};
+
 //===----------------------------------------------------------------------===//
 //     Extra additions to <functional>
 //===----------------------------------------------------------------------===//


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