Lazy concatenation and padding utilities

[jmh530 via Digitalmars-d]

On Thursday, 9 March 2017 at 13:46:57 UTC, Ilya Yaroshenko wrote:
>
> `stack` was renamed to `concatenation` to much numpy and Matlab

Numpy does have stack, but this is more similar to the 
concatenate function (I'd prefer this to concatenation). Matlab 
just calls it cat, which is easier to type, but less informative.

https://docs.scipy.org/doc/numpy-1.10.0/reference/generated/numpy.stack.html
https://docs.scipy.org/doc/numpy-1.10.0/reference/generated/numpy.concatenate.html#numpy.concatenate
https://www.mathworks.com/help/matlab/ref/cat.html