std::ranges::output_range

From cppreference.com
< cpp‎ | ranges
Ranges library
Range adaptors
Defined in header <ranges>
template < class R, class T>

concept output_range =

ranges::range <R> && std::output_iterator < ranges::iterator_t <R>, T> ;
(since C++20)

The output_range concept is a refinement of range for which ranges::begin returns a model of output_iterator