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std::ranges::common_range

From cppreference.com
< cpp‎ | ranges
 
 
 
Defined in header <ranges>
template<class T>

  concept common_range =

    ranges::range<T> && std::same_as<ranges::iterator_t<T>, ranges::sentinel_t<T>>;

The common_range concept is a refinement of range for which ranges::begin and ranges::end return the same type (e.g. all standard library containers).