[Python-ideas] proposed methods: list.replace / list.indices

[Ned Batchelder]

On 12/30/2012 9:51 AM, Yuval Greenfield wrote:
> On Sun, Dec 30, 2012 at 4:10 PM, Ned Batchelder <ned at nedbatchelder.com 
> <mailto:ned at nedbatchelder.com>> wrote:
>
>     I wonder at the underlying philosophy of things being accepted or
>     rejected in this way.
>
>
> I'm no expert on the subject but here are a few criteria for builtin 
> method inclusion:
>
> * Useful - show many popular use cases, e.g. attach many links to 
> various lines on github/stackoverflow/bitbucket.
> * Hard to get right, i.e. user implementations tend to have bugs.
> * Would benefit greatly from C optimization
> * Have a great, obvious, specific, readable name
> * Don't overlap with anything else in the stdlib - TSBOAPOOOWTDI
> * Consistent with the rest of python, e.g.
> * Community approval
> * BDFL approval
>

This is a good list.  To make this concrete: in your opinion, would 
list.replace() and list.indexes() pass these criteria, or not?

--Ned.

> Brett wrote a bit on stdlib inclusion which may be relevant 
> http://mail.python.org/pipermail/python-3000/2006-June/002442.html
>
> "that way may not be obvious at first unless you're Dutch."
>
> Yuval

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