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// <functional> 11 12// not_equal_to 13 14#include <functional> 15#include <type_traits> 16#include <cassert> 17 18int main() 19{ 20 typedef std::not_equal_to<int> F; 21 const F f = F(); 22 static_assert((std::is_base_of<std::binary_function<int, int, bool>, F>::value), ""); 23 assert(!f(36, 36)); 24 assert(f(36, 6)); 25#if _LIBCPP_STD_VER > 11 26 typedef std::not_equal_to<> F2; 27 const F2 f2 = F2(); 28 assert(!f2(36, 36)); 29 assert( f2(36, 6)); 30 assert( f2(36, 6.0)); 31 assert( f2(36.0, 6)); 32 assert(!f2(36.0, 36)); 33 assert(!f2(36, 36.0)); 34 35 constexpr bool foo = std::not_equal_to<int> () (36, 36); 36 static_assert ( !foo, "" ); 37 38 constexpr bool bar = std::not_equal_to<> () (36.0, 36); 39 static_assert ( !bar, "" ); 40#endif 41} 42