# std::experimental::ranges::Readable

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< cpp‎ | experimental‎ | ranges

Defined in header `<experimental/ranges/iterator>` |  |
template< class In > concept bool Readable = requires { typename ranges::value_type_t<In>; typename ranges::reference_t<In>; typename ranges::rvalue_reference_t<In>; } && CommonReference<ranges::reference_t<In>&&, ranges::value_type_t<In>&> && CommonReference<ranges::reference_t<In>&&, ranges::rvalue_reference_t<In>&&> && CommonReference<ranges::rvalue_reference_t<In>&&, const ranges::value_type_t<In>&>; |  | (ranges TS)

The concept `Readable` is satisfied by types that are readable by applying `operator*`, such as pointers, smart pointers, and iterators.

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