[Numpy-discussion] Style for pad implementation in 'pad' namespace or functions under np.lib

[Tim Cera]

I was hoping pad would get finished some day.  Maybe 1.9?

Alright - I do like the idea of passing a function to pad, with a bunch of
pre-made functions in place.

Maybe something like:

    a = np.arange(10)
    b = pad('mean', a, 2, stat_length=3)

where if the first argument is a string, use one of the built in functions.

If instead you passed in a function:

    def padwithzeros(vector, pad_width, iaxis, **kwargs):
        bvector = np.zeros(pad_width[0])
        avector = np.zeros(pad_width[1])
        return bvector, avector

    b = pad(padwithzeros, a, 2)

Would that have some goodness?

Kindest regards,
Tim
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