Anything specific that could cover what "NDArray-like" structures are? In concrete, to make row-oriented/column-oriented hybrids? (I wish to found a way to enc

Anything specific that could cover what "NDArray-like" structures are? In concrete, to make row-oriented/column-oriented hybrids? (I wish to found a way to encode the equivalent of `struct Data{col1:Vec<..>, ...>})