[Python-Dev] boxing and unboxing data types

[Nathaniel Smith]

On Mar 8, 2015 9:13 PM, "Steven D'Aprano" <steve at pearwood.info> wrote:
>
> There's no built-in way of calling __index__ that I know of (no
> equivalent to int(obj)),

There's operator.index(obj), at least.

> but slicing at the very least will call it,
> e.g. seq[a:] will call type(a).__index__.

-n
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