Viewing file:  variadic-alias3.C (1.08 KB) -rw-r--r--
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// PR c++/104008
// { dg-do compile { target c++11 } }
template <typename...> struct conjunction;
template <typename...> struct disjunction;
template <typename, typename> struct is_same;
template <bool> struct enable_if;
template <bool _Cond> using enable_if_t = typename enable_if<_Cond>::type;
struct B;
struct __uniq_ptr_impl {
struct _Ptr {
using type = B *;
};
using pointer = _Ptr::type;
};
struct unique_ptr {
using pointer = __uniq_ptr_impl::pointer;
unique_ptr(pointer);
};
template <typename T, typename... Ts>
using IsOneOf = disjunction<is_same<T, Ts>...>;
template <typename...> struct any_badge;
struct badge {
badge(any_badge<>);
badge();
};
template <typename...> struct any_badge {
template <typename... OtherHolders,
enable_if_t<conjunction<IsOneOf<OtherHolders>...>::value>>
any_badge();
};
template <typename, typename... _Args> unique_ptr make_unique(_Args... __args);
struct B {
B(badge);
unique_ptr b_ = make_unique<B>(badge{});
};
template <typename, typename... _Args> unique_ptr make_unique(_Args... __args) {
return new B(__args...);
}
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