| //>=---------------------------------------------------------------------->=// |
| // |
| // 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> constexpr bool operator>(const propagate_const<T>& x, const propagate_const<T>& y); |
| // template <class T> constexpr bool operator>(const T& x, const propagate_const<T>& y); |
| // template <class T> constexpr bool operator>(const propagate_const<T>& x, const T& y); |
| |
| #include <experimental/propagate_const> |
| #include "propagate_const_helpers.h" |
| #include <cassert> |
| |
| using std::experimental::propagate_const; |
| |
| constexpr bool operator>(const X &lhs, const X &rhs) { |
| return lhs.i_ > rhs.i_; |
| } |
| |
| int main() { |
| constexpr X x1_1(1); |
| constexpr X x2_1(1); |
| constexpr X x3_2(2); |
| |
| static_assert(!(x1_1 > x2_1), ""); |
| static_assert(x3_2 > x1_1, ""); |
| |
| typedef propagate_const<X> P; |
| |
| constexpr P p1_1(1); |
| constexpr P p2_1(1); |
| constexpr P p3_2(2); |
| |
| static_assert(!(p1_1 > p2_1), ""); |
| static_assert(p3_2 > p1_1, ""); |
| |
| static_assert(!(p1_1 > x2_1), ""); |
| static_assert(p3_2 > x1_1, ""); |
| |
| static_assert(!(x1_1 > p2_1), ""); |
| static_assert(x3_2 > p1_1, ""); |
| } |
