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<T> ref(T& t); 15 16// Don't allow binding to a temp 17 18#include <functional> 19 20struct A {}; 21 22const A source() {return A();} 23 24int main() 25{ 26 std::reference_wrapper<const A> r = std::ref(source()); 27} 28