Column-major 2D spans

[delreluca]

When using FORTRAN libraries matrices are expected in column-major order instead of row-major.

Span2D<T> and related types use row-major (matches T[,] and also C/C++ conventions)

To use the column-major API one has to create the transposed matrix with Span2D<T>. I find it error-prone.

So I wonder if there is demand for a wrapper type?

It would work as follows: One would wrap around the transposed Span2D<T> and expose almost the same interface but flip column and row arguments when delegating.

Or are there any problems I haven’t foreseen?