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 // UNSUPPORTED: c++98, c++03, c++11, c++14 11 12 // template <class T> constexpr add_const<T>& as_const(T& t) noexcept; // C++17 13 // template <class T> add_const<T>& as_const(const T&&) = delete; // C++17 14 15 #include <utility> 16 17 struct S {int i;}; 18 19 int main() 20 { 21 std::as_const(S{}); 22 } 23
