| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03, c++11 |
| |
| // <propagate_const> |
| |
| // template <class T> struct equal_to<experimental::fundamentals_v2::propagate_const<T>>; |
| |
| #include <experimental/propagate_const> |
| #include "propagate_const_helpers.h" |
| #include <cassert> |
| |
| using std::experimental::propagate_const; |
| |
| constexpr bool operator==(const X &x1, const X &x2) { return x1.i_ == x2.i_; } |
| |
| int main() { |
| |
| typedef propagate_const<X> P; |
| |
| P p1_1(1); |
| P p2_1(1); |
| P p3_2(2); |
| |
| auto c = std::equal_to<P>(); |
| |
| assert(c(p1_1,p2_1)); |
| assert(!c(p1_1,p3_2)); |
| } |