Request: CPU fallback for std.transpose()

[mr-dan-blog]

The matrix transpose is a common and useful operation, e.g. in 3- or 4-channel color processing. For my use case, it would be really nice to have a CPU fallback like there is for most functions of std.

[pullfrog]

  ^{｜ Build this ➔ ｜ Make a plan ➔}

[iwoplaza]

Thanks for the feature request! Implemented here, waiting for review