Defined in header <span> | ||
|---|---|---|
template< std::size_t I, class T, std::size_t N > struct tuple_element<I, std::span<T, N> >; | (since C++20) |
Provides compile-time indexed access to the type of the elements of the span using tuple-like interface. The program is ill-formed if I >= N or if N == std::dynamic_extent.
| Member type | Definition |
|---|---|
| type | the type of elements of the span, i.e., T |
| obtains the type of the specified element (class template specialization) |
|
|
(C++11) | obtains the type of the elements of pair (class template specialization) |
obtains the type of the elements of array (class template specialization) |
© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/container/span/tuple_element