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_and 13 14 #include <functional> 15 #include <type_traits> 16 #include <cassert> 17 18 int main() 19 { 20 typedef std::logical_and<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, 0)); 25 assert(!f(0, 36)); 26 assert(!f(0, 0)); 27 #if _LIBCPP_STD_VER > 11 28 typedef std::logical_and<> F2; 29 const F2 f2 = F2(); 30 assert( f2(36, 36)); 31 assert( f2(36, 36L)); 32 assert( f2(36L, 36)); 33 assert(!f2(36, 0)); 34 assert(!f2(0, 36)); 35 assert( f2(36, 36L)); 36 assert(!f2(36, 0L)); 37 assert(!f2(0, 36L)); 38 assert( f2(36L, 36)); 39 assert(!f2(36L, 0)); 40 assert(!f2(0L, 36)); 41 42 constexpr bool foo = std::logical_and<int> () (36, 36); 43 static_assert ( foo, "" ); 44 45 constexpr bool bar = std::logical_and<> () (36.0, 36); 46 static_assert ( bar, "" ); 47 #endif 48 } 49
