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Groups > comp.lang.python > #9858

Re: Partial Function Application -- Advantages over normal function?

Date 2011-07-19 08:22 +0200
From Thomas Jollans <t@jollybox.de>
Subject Re: Partial Function Application -- Advantages over normal function?
References (1 earlier) <CACNEfZaLVqY=HFvRGYbKMFxLtYBU0gLDmFfMguorJznDGOh=yA@mail.gmail.com> <j0239q$smp$1@dough.gmane.org> <mailman.1232.1311025576.1164.python-list@python.org> <1405042.q1RDiLHYyK@PointedEars.de> <4247181.bSrEuok8ZT@PointedEars.de>
Newsgroups comp.lang.python
Message-ID <mailman.1239.1311056526.1164.python-list@python.org> (permalink)

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On 19/07/11 00:33, Thomas 'PointedEars' Lahn wrote:
> Thomas 'PointedEars' Lahn wrote:
> 
>> Dave Angel wrote:
>>> On 01/-10/-28163 02:59 PM, Terry Reedy wrote:
>>>> def makeadder(y)
>>>>     def _add(x): return x+y
>>>> add2 = makeadder(2)
>>>
>>> A couple of typos in that code:
>>>
>>> def makeaddr(y):
>>>      def _add(x): return x+y
>>>      return _add
>>
>> I agree about the `return' statement, but not about the factory name; this
>> has nothing to do with addresses (addr).
> 
> Supplemental: The above can be simplified to
> 
> def makeadder(y): return lambda x: x + y
> 

In turn:

makeadder = lambda y: lambda x: x + y

Smells of Haskell.

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Re: Partial Function Application -- Advantages over normal function? Dave Angel <davea@ieee.org> - 2011-07-18 17:45 -0400
  Re: Partial Function Application -- Advantages over normal function? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-07-19 00:28 +0200
    Re: Partial Function Application -- Advantages over normal function? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2011-07-19 00:33 +0200
      Re: Partial Function Application -- Advantages over normal function? Thomas Jollans <t@jollybox.de> - 2011-07-19 08:22 +0200
      Re: Partial Function Application -- Advantages over normal function? Ian Kelly <ian.g.kelly@gmail.com> - 2011-07-19 10:49 -0600
      Re: Partial Function Application -- Advantages over normal function? Thomas Jollans <t@jollybox.de> - 2011-07-19 18:58 +0200
      Re: Partial Function Application -- Advantages over normal function? Ian Kelly <ian.g.kelly@gmail.com> - 2011-07-19 11:15 -0600
    Re: Re: Partial Function Application -- Advantages over normal function? Dave Angel <davea@ieee.org> - 2011-07-19 06:07 -0400
    Re: Partial Function Application -- Advantages over normal function? Terry Reedy <tjreedy@udel.edu> - 2011-07-19 12:47 -0400

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