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std::ranges::input_range

Defined in header <ranges> 
template< class T >
  concept input_range =
    ranges::range<T> && std::input_iterator<ranges::iterator_t<T>>;
 (since C++20)

The input_range concept is a refinement of range for which ranges::begin returns a model of input_iterator.

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https://en.cppreference.com/w/cpp/ranges/input_range