Common LISP-style closures with Python

Antti J Ylikoski antti.ylikoski at tkk.fi
Sat Feb 4 14:09:14 CET 2012


On 4.2.2012 12:58, Arnaud Delobelle wrote:
> On 4 February 2012 10:14, Antti J Ylikoski<antti.ylikoski at tkk.fi>  wrote:
>> On 4.2.2012 4:47, Chris Rebert wrote:
>>> Out of curiosity, what would be non-Common-Lisp-style closures?
>>>
>>> Cheers,
>>> Chris
>>
>>
>> I understand that a "closure" is something which is typical of functional
>> programming languages.  -- Scheme-style closures, for example.
>>
>> I don't know Haskell, ML etc. but I do suspect that we could create closures
>> in those languages as well.  Maybe someone more expert than me can help?
>
> I think what Chris asking is: what is the feature of Common-Lisp
> closures that Python closures share but other languages don't?
>
> I think what he is implying is that there is no such feature.  Python
> closures are no more "Common-Lisp-style" than they are "Scheme-style"
> or "Smalltalk-like" or any other language-like.
>

I would say that Python closures are equivalent with Common LISP 
closures (except that LAMBDA is more limited in Python, which is a 
feature which I don't like.)

Do you maybe mean non-Common-LISP-style closures in Python?  I cannot 
think of any ones.

kind regards, Andy



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