[mdspan.extents.dims]

# 23 Containers library [[containers]](./#containers)

## 23.7 Views [[views]](views#mdspan.extents.dims)

### 23.7.3 Multidimensional access [[views.multidim]](views.multidim#mdspan.extents.dims)

#### 23.7.3.3 Class template extents [[mdspan.extents]](mdspan.extents#dims)

#### 23.7.3.3.7 Alias template dims [mdspan.extents.dims]

[🔗](#lib:dims)

`template<size_t Rank, class IndexType = size_t>
  using dims = see below;
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/containers.tex#L21511)

*Result*: A type E that is a specialization of extents such that E​::​rank() == Rank && E​::​rank() == E​::​rank_dynamic() is true, andE​::​index_type denotes IndexType[.](#1.sentence-1)