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 11 12 // <propagate_const> 13 14 // template <class U> constexpr propagate_const& operator=(U&& u); // won't bind to propagate_const 15 16 #include <experimental/propagate_const> 17 #include "propagate_const_helpers.h" 18 #include <type_traits> 19 20 using std::experimental::propagate_const; 21 22 typedef propagate_const<X> PX; 23 typedef propagate_const<CopyConstructibleFromX> PY; 24 25 int main() { static_assert(!std::is_assignable<PY, const PX &>::value, ""); } 26
