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rust-ndarray
ndarray: an N-dimensional array with array views, multidimensional slicing, and efficient operations
I'm not aware of tensor shape type safety (in general) being widely used in deep learning, let alone sum-types. I believe Pytorch and TensorFlow lack support for tensor shape type checking (looks like there is a Pytorch issue open: https://github.com/pytorch/pytorch/issues/26889).
https://github.com/rust-ndarray/ndarray/issues/281
Answer: you can’t with this crate. I implemented a dynamic n-dim solution myself but it uses views of integer indices that get copied to a new array, which have indexes to another flattened array in order to avoid duplication of possibly massive amounts of n-dimensional data; using the crate alone, copying all the array data would be unavoidable.
Ultimately I’ve had to make my own axis shifting and windowing mechanisms. But the crate is still a useful lib and continuing effort.
While I don’t mind getting into the weeds, these kinds of side efforts can really impact context focus so it’s just something to be aware of.