friend6.c

来自「gcc-you can use this code to learn somet」· C语言 代码 · 共 20 行

// Origin: Martin v. L鰓is  <[e-mail]>
// Test for resolution of core issue 125.
// Build don't link:

struct A{
  struct B{};
};

A::B C();

namespace B{
  A C();
}

class Test{
  friend A (::B::C)();  // Ok
  friend A::B (::C)();  // Ok
  friend A::B::C();     // ERROR - no A::B::C
};