template42.c

来自「gcc3.2.1源代码」· C语言 代码 · 共 19 行

// Testcase for not evaluating template default args if they are
// never used.

struct X {
  X(int) { }
};

template <class T>
struct A {
  void f (T t = T()) { }
};

int main ()
{
  A<X> a;
  X x (1);
  a.f (x);
}