[Numpy-discussion] Adding a flag to allow integer array access and masking

[Konrad Hinsen]

> Are you suggesting something like:
> 
> b = IndexArray([1,3,10,100])
> 
> a[b]?

Exactly. With IndexArray being some special object (if only a thin
wrapper), that prints differently from a simple array and can be
type-tested.

> This is really not much different than.
> 
> a[[1,3,10,100],IndexArray]

Except that in the first case, there is exactly one indexing object
per axis, the operation can be a different one along each axis, and
the index object carries specifies its own meaning. But the effect
is the same, of course.

Konrad.
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