friend.c

来自「linux下编程用 编译软件」· C语言 代码 · 共 21 行

// { dg-do run  }
// Bug: g++ doesn't keep track of the lexical context of friends properly.

extern "C" void exit(int);

struct B;
struct A {
  static void f () { exit (1); }
};

struct B {
  static void f () { exit (0); }
  friend void g (B) { f (); }
};

int main ()
{
  B b;
  g (b);
}