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 18 int main() 19 { 20 typedef std::not_equal_to<int> F; 21 const F f = F(); 22 static_assert((std::is_same<int, F::first_argument_type>::value), "" ); 23 static_assert((std::is_same<int, F::second_argument_type>::value), "" ); 24 static_assert((std::is_same<bool, F::result_type>::value), "" ); 25 assert(!f(36, 36)); 26 assert(f(36, 6)); 27 #if _LIBCPP_STD_VER > 11 28 typedef std::not_equal_to<> F2; 29 const F2 f2 = F2(); 30 assert(!f2(36, 36)); 31 assert( f2(36, 6)); 32 assert( f2(36, 6.0)); 33 assert( f2(36.0, 6)); 34 assert(!f2(36.0, 36)); 35 assert(!f2(36, 36.0)); 36 37 constexpr bool foo = std::not_equal_to<int> () (36, 36); 38 static_assert ( !foo, "" ); 39 40 constexpr bool bar = std::not_equal_to<> () (36.0, 36); 41 static_assert ( !bar, "" ); 42 #endif 43 } 44
