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Re: Closures and Partial Function Application

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Date Wed, 31 Aug 2011 17:55:34 +0100
Subject Re: Closures and Partial Function Application
From Arnaud Delobelle <arnodel@gmail.com>
To Travis Parks <jehugaleahsa@gmail.com>
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On 31 August 2011 17:45, Travis Parks <jehugaleahsa@gmail.com> wrote:
> I was a little disappointed the other day when I realized that
> closures were read-only. I like to use closures quite a bit.
>
> Can someone explain why this limitation exists? Secondly, since I can
> cheat by wrapping the thing being closure-ified, how can I write a
> simple wrapper that has all the same members as the thing (decorator),
> that then applies them to the underlying thing?

I don't understand.  Can you give an example?

> I also like partial function application. What is the easiest way of
> achieving this in Python? Would it look something like this:
>
> def foo(x, y):
>    return x + y
>
> xFoo = lambda y: foo(10, y)

from functools import partial

foo10 = partial(foo, 10)

HTH

Arnaud

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Thread

Closures and Partial Function Application Travis Parks <jehugaleahsa@gmail.com> - 2011-08-31 09:45 -0700
  Re: Closures and Partial Function Application Arnaud Delobelle <arnodel@gmail.com> - 2011-08-31 17:55 +0100
  Re: Closures and Partial Function Application Chris Rebert <clp2@rebertia.com> - 2011-08-31 10:18 -0700
    Re: Closures and Partial Function Application Travis Parks <jehugaleahsa@gmail.com> - 2011-08-31 10:51 -0700
      Re: Closures and Partial Function Application Travis Parks <jehugaleahsa@gmail.com> - 2011-08-31 11:02 -0700
        Re: Closures and Partial Function Application Ian Kelly <ian.g.kelly@gmail.com> - 2011-08-31 12:18 -0600
          Re: Closures and Partial Function Application Travis Parks <jehugaleahsa@gmail.com> - 2011-08-31 11:26 -0700
  Re: Closures and Partial Function Application "bruno.desthuilliers@gmail.com" <bruno.desthuilliers@gmail.com> - 2011-08-31 11:03 -0700
    Re: Closures and Partial Function Application Travis Parks <jehugaleahsa@gmail.com> - 2011-08-31 12:33 -0700
  Re: Closures and Partial Function Application Terry Reedy <tjreedy@udel.edu> - 2011-08-31 18:21 -0400
  Re: Closures and Partial Function Application Piet van Oostrum <piet@vanoostrum.org> - 2011-09-05 16:23 +0200

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