1 // RUN: %clang_cc1 -verify %s 2 // RUN: %clang_cc1 -verify -std=c++98 %s 3 // RUN: %clang_cc1 -verify -std=c++11 %s 4 5 class A { 6 public: 7 explicit A(); 8 9 explicit operator int(); 10 #if __cplusplus <= 199711L // C++03 or earlier modes 11 // expected-warning@-2 {{explicit conversion functions are a C++11 extension}} 12 #endif 13 14 explicit void f0(); // expected-error {{'explicit' can only be applied to a constructor or conversion function}} 15 16 operator bool(); 17 }; 18 19 explicit A::A() { } // expected-error {{'explicit' can only be specified inside the class definition}} 20 explicit A::operator bool() { return false; } 21 #if __cplusplus <= 199711L // C++03 or earlier modes 22 // expected-warning@-2 {{explicit conversion functions are a C++11 extension}} 23 #endif 24 // expected-error@-4 {{'explicit' can only be specified inside the class definition}} 25 26 class B { 27 friend explicit A::A(); // expected-error {{'explicit' is invalid in friend declarations}} 28 }; 29
