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Re: Closures and Partial Function Application

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From Terry Reedy <tjreedy@udel.edu>
Subject Re: Closures and Partial Function Application
Date Wed, 31 Aug 2011 18:21:06 -0400
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On 8/31/2011 12:45 PM, Travis Parks wrote:
> I was a little disappointed the other day when I realized that
> closures were read-only.

'Were', in 2.x. The standard 2.x workaround for a single nonlocal is to 
wrap it in a list.

def f():
     i = [0]
     def g(): i[0] += 1
     for j in range(5): g()
     print(i)

f()
# 5

-- 
Terry Jan Reedy

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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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