deduction guides for std::ranges::take_view

From cppreference.com
< cpp‎ | ranges‎ | take view
 
 
 
 
template< ranges::range R >
take_view( R&&, ranges::range_difference_t<R> ) -> take_view<views::all_t<R>>;
(since C++20)

The deduction guide is provided for std::ranges::take_view to allow deduction from range and number of elements.

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

Example