[mdspan.layout.policy.reqmts] (original) (raw)

23 Containers library [containers]

23.7 Views [views]

23.7.3 Multidimensional access [views.multidim]

23.7.3.4 Layout mapping [mdspan.layout]

23.7.3.4.3 Layout mapping policy requirements [mdspan.layout.policy.reqmts]

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A type MP meets the layout mapping policy requirements if for a type E that is a specialization of extents,MP​::​mapping<E> is valid and denotes a type Xthat meets the layout mapping requirements ([mdspan.layout.reqmts]), and for which the qualified-id X​::​layout_type is valid and denotes the type MP and the qualified-id X​::​extents_type denotes E.