deduction guides for std::ranges::take_view

From cppreference.com
Ranges library
Range adaptors
Defined in header <ranges>
template < class 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.

Example

Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

DR Applied to Behavior as published Correct behavior
LWG 3447 C++20 the template parameter R is constrained with range R is unconstrained
(but range_difference_t requires range )