// PR c++/91911 | |
// { dg-do compile { target c++17 } } | |
template<class T> | |
struct span { | |
using value_type = T; | |
span(T); | |
}; | |
template<class T> | |
using SpanType = decltype(span{T()}); | |
template<class T> | |
using ConstSpanType = span<const typename SpanType<T>::value_type>; | |
using type = ConstSpanType<int>; | |
using type = span<const int>; |