Range-v3
Range algorithms, views, and actions for the Standard Library
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ranges::v3::concepts::IndirectlyCopyable Struct Reference
Utility » Concepts

Public Member Functions

template<typename I , typename O >
auto requires_ (I &&, O &&) -> decltype( concepts::valid_expr( concepts::model_of< Readable, I >(), concepts::model_of< Writable, O, Readable::reference_t< I > && >() ))