The container_ concept std::vector is a container, std::array is not.  
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#include <range/v3/action/concepts.hpp>
template<typename T>
            uncvref_t<T>,
            detail::movable_input_iterator<range_value_t<T>>,
            detail::movable_input_iterator<range_value_t<T>>>  
The container_ concept std::vector is a container, std::array is not.
Definition: concepts.hpp:68
The container_ concept std::vector is a container, std::array is not.