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List:       python-ideas
Subject:    [Python-ideas] 'strict' for other itertools [was: Inconsistent arguments...]
From:       "Stephen J. Turnbull" <stephenjturnbull () gmail ! com>
Date:       2021-11-23 13:39:25
Message-ID: m2zgpv6lf6.fsf () sk ! tsukuba ! ac ! jp
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Chris Angelico writes:
 > On Tue, Nov 23, 2021 at 7:47 PM Stephen J. Turnbull
 > <stephenjturnbull@gmail.com> wrote:

 > > There's also implementing zip's strict argument, eg,
 > >
 > > def zippymap(func, *iterables, strict=False):
 > >     return map(lambda x: func(*x), zip(*iterables, strict))
 > >
 > > and corresponding zippymappers for any other mappers (including
 > > filter).  This seems like it might be useful extension to the
 > > functions in the stdlib for the same reason that it's useful for zip
 > > itself.  Even though it's so easy to implement in terms of zip, it
 > > would be more discoverable as a documented argument to the functions.
 > >
 > > Comments?
 > 
 > Given that I don't actually want a pipeline like this, I'm not the
 > best one to ask, but I would strongly favour ultra-simple APIs.

Ah, but I changed the subject here.  Sorry about not making that
clear.  This isn't a method on a dataflow, it would be a a change to
map itself.

Steve
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