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Re: my favorite line of py code so far

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Date Sat, 9 Nov 2013 09:32:55 +1100
Subject Re: my favorite line of py code so far
From Chris Angelico <rosuav@gmail.com>
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On Sat, Nov 9, 2013 at 9:22 AM, Peter Cacioppi <peter.cacioppi@gmail.com> wrote:
> my fav so far is this
>
> _ = lambda c : lambda x : c(*x)
>
> c can be any calleable and x any iterable, but I tend to use it with a class, and then map _(class) over the result of a zip.
>
> It must be in the library somewhere, but I haven't found it. I'm never sure what to call it, so I just reroll it into _ as needed. It's pretty easy for me to remember, but I'll probably tattoo it on my chest just in case.

So... for any given class, it returns a tweaked version that unpacks
an iterable of its arguments instead of taking separate args.
Interesting, perhaps, but not something that'll be needed in the
stdlib. But as a demo of how easily Python primitives can be combined
into some fairly elegant code, I think this is as good as any!

ChrisA

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Thread

my favorite line of py code so far Peter Cacioppi <peter.cacioppi@gmail.com> - 2013-11-08 14:22 -0800
  Re: my favorite line of py code so far Chris Angelico <rosuav@gmail.com> - 2013-11-09 09:32 +1100
  Re: my favorite line of py code so far Peter Cacioppi <peter.cacioppi@gmail.com> - 2013-11-08 14:43 -0800
  Re: my favorite line of py code so far Peter Otten <__peter__@web.de> - 2013-11-09 08:12 +0100
  Re: my favorite line of py code so far Peter Cacioppi <peter.cacioppi@gmail.com> - 2013-11-09 01:23 -0800
    Re: my favorite line of py code so far Chris Angelico <rosuav@gmail.com> - 2013-11-09 20:28 +1100
    Re: my favorite line of py code so far Paul Rubin <no.email@nospam.invalid> - 2013-11-09 01:49 -0800
    Re: my favorite line of py code so far Peter Otten <__peter__@web.de> - 2013-11-09 12:49 +0100
    Re: my favorite line of py code so far Stefan Behnel <stefan_ml@behnel.de> - 2013-11-09 13:41 +0100
    Re: my favorite line of py code so far Chris Angelico <rosuav@gmail.com> - 2013-11-09 23:45 +1100
    Re: my favorite line of py code so far Peter Otten <__peter__@web.de> - 2013-11-09 14:49 +0100
  Re: my favorite line of py code so far Peter Cacioppi <peter.cacioppi@gmail.com> - 2013-11-10 00:57 -0800
    Re: my favorite line of py code so far Chris Angelico <rosuav@gmail.com> - 2013-11-10 21:23 +1100
  Re: my favorite line of py code so far Peter Cacioppi <peter.cacioppi@gmail.com> - 2013-11-10 00:59 -0800
  Re: my favorite line of py code so far Peter Cacioppi <peter.cacioppi@gmail.com> - 2013-11-10 16:00 -0800

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