[Numpy-discussion] ENH: Add the function 'expand_view'

Nathaniel Smith njs at pobox.com
Tue Nov 24 19:13:07 EST 2015

On Nov 24, 2015 11:57 AM, "John Kirkham" <jakirkham at gmail.com> wrote:
> Takes an array and tacks on arbitrary dimensions on either side, which is
returned as a view always. Here are the relevant features:
> * Creates a view of the array that has the dimensions before and after
tacked on to it.
> * Takes the before and after arguments independent of each other and the
current shape.
> * Allows for read and write access to the underlying array.

Can you expand this with some discussion of why you want this function, and
why you chose these specific features? (E.g. as mentioned in the PR
comments already, the reason broadcast_to returns a read-only array is that
it was decided that this was less confusing for users, not because of any
technical issue.)

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