clang/test/CXX/dcl.dcl/dcl.spec/dcl.fct.spec/p6.cpp

   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 };