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// logical_not 13 14#include <functional> 15#include <type_traits> 16#include <cassert> 17 18int main() 19{ 20 typedef std::logical_not<int> F; 21 const F f = F(); 22 static_assert((std::is_same<F::argument_type, int>::value), "" ); 23 static_assert((std::is_same<F::result_type, bool>::value), "" ); 24 assert(!f(36)); 25 assert(f(0)); 26#if _LIBCPP_STD_VER > 11 27 typedef std::logical_not<> F2; 28 const F2 f2 = F2(); 29 assert(!f2(36)); 30 assert( f2(0)); 31 assert(!f2(36L)); 32 assert( f2(0L)); 33 34 constexpr bool foo = std::logical_not<int> () (36); 35 static_assert ( !foo, "" ); 36 37 constexpr bool bar = std::logical_not<> () (36); 38 static_assert ( !bar, "" ); 39#endif 40} 41