default value in __init__

Lawrence D'Oliveiro ldo at geek-central.gen.new_zealand
Fri Oct 17 22:20:35 CEST 2008


In message <01087685$0$20638$c3e8da3 at news.astraweb.com>, Steven D'Aprano
wrote:

> On Fri, 17 Oct 2008 23:04:52 +1300, Lawrence D'Oliveiro wrote:
> 
>> The right solution, of course, is
>> 
>>     fns = [(lambda x : lambda : x)(x) for x in range(10)]
> 
> Only if by "right solution" you mean "excessively verbose, confusing, and
> the sort of thing that makes even supporters of lambda cringe".
> 
> Yes yes, it's just a factory function written with lambdas. It's still
> ugly and exactly the sort of thing that gives ammunition to lambda-
> haters.

It's NOT ugly. It's EXACTLY the right sort of thing you do with
lambda-expressions, going right back to Church.

It's no more ugly than, say, parentheses in Lisp. :)



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