1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <functional> 10 11 // reference_wrapper 12 13 // template <ObjectType T> reference_wrapper<const T> cref(const T& t); 14 15 #include <functional> 16 #include <cassert> 17 18 int main() 19 { 20 int i = 0; 21 std::reference_wrapper<const int> r = std::cref(i); 22 assert(&r.get() == &i); 23 } 24