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 // type_traits 11 12 // nullptr_t 13 // is_null_pointer 14 15 #include <type_traits> 16 17 #if _LIBCPP_STD_VER > 11 18 template <class T> 19 void test_nullptr_imp() 20 { 21 static_assert(!std::is_void<T>::value, ""); 22 static_assert( std::is_null_pointer<T>::value, ""); 23 static_assert(!std::is_integral<T>::value, ""); 24 static_assert(!std::is_floating_point<T>::value, ""); 25 static_assert(!std::is_array<T>::value, ""); 26 static_assert(!std::is_pointer<T>::value, ""); 27 static_assert(!std::is_lvalue_reference<T>::value, ""); 28 static_assert(!std::is_rvalue_reference<T>::value, ""); 29 static_assert(!std::is_member_object_pointer<T>::value, ""); 30 static_assert(!std::is_member_function_pointer<T>::value, ""); 31 static_assert(!std::is_enum<T>::value, ""); 32 static_assert(!std::is_union<T>::value, ""); 33 static_assert(!std::is_class<T>::value, ""); 34 static_assert(!std::is_function<T>::value, ""); 35 } 36 37 template <class T> 38 void test_nullptr() 39 { 40 test_nullptr_imp<T>(); 41 test_nullptr_imp<const T>(); 42 test_nullptr_imp<volatile T>(); 43 test_nullptr_imp<const volatile T>(); 44 } 45 46 int main() 47 { 48 test_nullptr<std::nullptr_t>(); 49 } 50 #else 51 int main() {} 52 #endif 53
