[Python-Dev] Let's just *keep* lambda

Michael Hudson mwh at python.net
Thu Feb 9 01:18:28 CET 2006

Guido van Rossum <guido at python.org> writes:

> On 2/8/06, Patrick Collison <patrick at collison.ie> wrote:
>> And to think that people thought that keeping "lambda", but changing
>> the name, would avoid all the heated discussion... :-)
> Note that I'm not participating in any attempts to "improve" lambda.
> Just about the only improvement I'd like to see is to add parentheses
> around the arguments, so you'd write lambda(x, y): x**y instead of
> lambda x, y: x**y.

That would seem to be a bad idea, as it means something already:

>>> f = lambda (x,y): x + y
>>> t = (1,2)
>>> f(t)


  Solaris: Shire horse that dreams of being a race horse,
  blissfully unaware that its owners don't quite know whether
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                           -- Jim's pedigree of operating systems, asr

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