variadic71.c

来自「用于进行gcc测试」· C语言 代码 · 共 13 行

// { dg-options "-std=gnu++0x" }
template<typename...> struct list {};

template<typename Sequence, typename Head>
struct push_front;

template<typename... Elements, typename Head>
struct push_front<list<Elements...>, Head> {
  typedef list<Head, Elements> type; // { dg-error "parameter packs not expanded" }
};

// { dg-error "Elements" "" { target *-*-* } 9 }