deduction guides for std::ranges::join_view

< cpp‎ | ranges‎ | join view
template<class R>
explicit join_view(R&&) -> join_view<views::all_t<R>>;
 (since C++20)

The deduction guide is provided for std::ranges::join_view to allow deduction from range.

If R is a view, the deduced type is join_view<R>; otherwise, the deduced type is usually join_view<ranges::ref_view<R>>.

Example

This section is incomplete
Reason: no example