cref_2.pass.cpp revision 06086258d3d8c48a916ec51c33e1ad8f46821b81
1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <functional> 11 12// reference_wrapper 13 14// template <ObjectType T> reference_wrapper<const T> cref(reference_wrapper<T> t); 15 16#include <functional> 17#include <cassert> 18 19int main() 20{ 21 const int i = 0; 22 std::reference_wrapper<const int> r1 = std::cref(i); 23 std::reference_wrapper<const int> r2 = std::cref(r1); 24 assert(&r2.get() == &i); 25} 26