friend24.c

来自「gcc3.2.1源代码」· C语言 代码 · 共 19 行

// Build don't link:

template <class T>
struct S
{
  template <class U = T>
  friend class S;

  void f(T);
};

template struct S<int>;

void g()
{
  S<> s;
  s.f(3);
}