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Message from discussion Default arguments in Python - the return - running out of ideas but...
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Georg Brandl  
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 More options May 13 2009, 6:20 pm
From: Georg Brandl <g.bra...@gmx.net>
Date: Thu, 14 May 2009 00:20:46 +0200
Local: Wed, May 13 2009 6:20 pm
Subject: Re: [Python-ideas] Default arguments in Python - the return - running out of ideas but...
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Bruce Leban schrieb:

> Here's what I'd like:

> def myfunc(a, b, c = *lambda: expression):
>   stuff

> The use of the lambda keyword here makes the scope of any variables in
> the expression clear. The use of the prefix * makes the syntax invalid
> today, suggests dereferencing and doesn't hide the overhead.

Why not

@calldefaults
def myfunc(a, b, c = lambda: expression):
    pass

which should be possible without introducing new syntax.

Georg

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