[Python-Dev] Re: "groupby" iterator

Jeremy Fincher fincher.8 at osu.edu
Tue Dec 2 16:54:34 EST 2003


On Tuesday 02 December 2003 11:02 am, Paul Moore wrote:
> Alex Martelli <aleaxit at yahoo.com> writes:
> > Since these functions or types are going to be in operator, I think
> > we can afford to "spend" two names to distinguish functionality
> > (even though attgetter and itemgetter look nowhere as neat as
> > extract -- I don't have better suggestions offhand).
>
> operator.getattr and operator.getitem?

I think the functions they're talking about are actually right-curried 
versions of those functions, like this:

def attrgetter(attr):
    return lambda x: getattr(x, attr)

Jeremy



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