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LEWG Kona 11/2023 mdarray #434
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Super Brief
mdarray
introductionWhy we want
mdarray
Creating a simple 2D array with
mdspan
requires multiple steps becausemdspan
is non-owning.mdarray
is a multidimensional array with value-semantics and makes the above simplerWhat aspects of
mdspan
doesmdarray
havemdarray
has theelement_type
,extents
andmdspan
The accessor policy is replaced by a container type.
This means
mdarray
does not have the kind of access modality customization point functionality ofmdspan
, but that functionality is anyway intended for local specialization of accesses, and thus more suited for the view-like class.Constructors
extents
Move behavior
required_span_size()
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