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 // greater_equal 13 14 #include <functional> 15 #include <type_traits> 16 #include <cassert> 17 18 int main() 19 { 20 typedef std::greater_equal<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 assert(!f(6, 36)); 28 #if _LIBCPP_STD_VER > 11 29 typedef std::greater_equal<> F2; 30 const F2 f2 = F2(); 31 assert(f2(36, 36)); 32 assert(f2(36, 6)); 33 assert(!f2(6, 36)); 34 assert( f2(36, 6.0)); 35 assert( f2(36.0, 6)); 36 assert(!f2(6, 36.0)); 37 assert(!f2(6.0, 36)); 38 39 constexpr bool foo = std::greater_equal<int> () (36, 36); 40 static_assert ( foo, "" ); 41 42 constexpr bool bar = std::greater_equal<> () (36.0, 36); 43 static_assert ( bar, "" ); 44 #endif 45 } 46
