friend41.c

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

// Build don't link:
// Origin: Mark Mitchell <[e-mail]>

template <class T>
class S {
public:
  template <class U>
  class C {
  public:
    void f() { S::i = 3; }
  };

  template <class U>
  friend class C;

private:
  static int i;
};


template void S<int>::C<double>::f();