friend7.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 22 行

// Origin: Martin v. L鰓is  <[e-mail]>
// Test that a friend declaration with an explicit :: finds the right fn.
// Build don't link:

namespace M {
class S; 
}
void foo(M::S *);

namespace M {
class S {
  friend void (::foo)(S *);
  void Fn(); 
  static S s;
};
} 

void (::foo)(M::S *ptr) {
  M::S::s.Fn();
  ptr->Fn();
}