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 T> constexpr bool operator>(const propagate_const<T>& x, const propagate_const<T>& y); 15// template <class T> constexpr bool operator>(const T& x, const propagate_const<T>& y); 16// template <class T> constexpr bool operator>(const propagate_const<T>& x, const T& y); 17 18#include <experimental/propagate_const> 19#include "propagate_const_helpers.h" 20#include <cassert> 21 22using std::experimental::propagate_const; 23 24constexpr bool operator>(const X &lhs, const X &rhs) { 25 return lhs.i_ > rhs.i_; 26} 27 28int main() { 29 constexpr X x1_1(1); 30 constexpr X x2_1(1); 31 constexpr X x3_2(2); 32 33 static_assert(!(x1_1 > x2_1), ""); 34 static_assert(x3_2 > x1_1, ""); 35 36 typedef propagate_const<X> P; 37 38 constexpr P p1_1(1); 39 constexpr P p2_1(1); 40 constexpr P p3_2(2); 41 42 static_assert(!(p1_1 > p2_1), ""); 43 static_assert(p3_2 > p1_1, ""); 44 45 static_assert(!(p1_1 > x2_1), ""); 46 static_assert(p3_2 > x1_1, ""); 47 48 static_assert(!(x1_1 > p2_1), ""); 49 static_assert(x3_2 > p1_1, ""); 50} 51