24 Containers library [containers]

24.7 Views [views]

24.7.3 Multidimensional access [views.multidim]

24.7.3.7 submdspan [mdspan.submdspan]

24.7.3.7.3 submdspan_mapping_result [mdspan.submdspan.submdspan.mapping.result]

Specializations of submdspan_mapping_result are returned by overloads of submdspan_mapping.
namespace std { template<class LayoutMapping> struct submdspan_mapping_result { [[no_unique_address]] LayoutMapping mapping = LayoutMapping(); size_t offset{}; }; }
submdspan_mapping_result has the data members and special members specified above.
It has no base classes or members other than those specified.
LayoutMapping shall meet the layout mapping requirements ([mdspan.layout.policy.reqmts]).