//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // reference_wrapper // template reference_wrapper ref(T& t); // Don't allow binding to a temp #include struct A {}; const A source() {return A();} int main() { std::reference_wrapper r = std::ref(source()); }