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 // member_function_pointer 13 14 #include <type_traits> 15 16 template <class T> 17 void test_member_function_pointer_imp() 18 { 19 static_assert(!std::is_void<T>::value, ""); 20 #if _LIBCPP_STD_VER > 11 21 static_assert(!std::is_null_pointer<T>::value, ""); 22 #endif 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_member_function_pointer() 39 { 40 test_member_function_pointer_imp<T>(); 41 test_member_function_pointer_imp<const T>(); 42 test_member_function_pointer_imp<volatile T>(); 43 test_member_function_pointer_imp<const volatile T>(); 44 } 45 46 class Class 47 { 48 }; 49 50 int main() 51 { 52 test_member_function_pointer<void (Class::*)()>(); 53 test_member_function_pointer<void (Class::*)(int)>(); 54 test_member_function_pointer<void (Class::*)(int, char)>(); 55 56 test_member_function_pointer<void (Class::*)() const>(); 57 test_member_function_pointer<void (Class::*)(int) const>(); 58 test_member_function_pointer<void (Class::*)(int, char) const>(); 59 60 test_member_function_pointer<void (Class::*)() volatile>(); 61 test_member_function_pointer<void (Class::*)(int) volatile>(); 62 test_member_function_pointer<void (Class::*)(int, char) volatile>(); 63 64 #if __cplusplus >= 201103L 65 // reference qualifiers on functions are a C++11 extension 66 test_member_function_pointer<void (Class::*)() &&>(); 67 test_member_function_pointer<void (Class::*)(int) &&>(); 68 test_member_function_pointer<void (Class::*)(int, char) &&>(); 69 70 test_member_function_pointer<void (Class::*)() &>(); 71 test_member_function_pointer<void (Class::*)(int) &>(); 72 test_member_function_pointer<void (Class::*)(int, char) &>(); 73 74 test_member_function_pointer<void (Class::*)() volatile &&>(); 75 test_member_function_pointer<void (Class::*)(int) volatile &&>(); 76 test_member_function_pointer<void (Class::*)(int, char) volatile &&>(); 77 #endif 78 } 79
