[Python-Dev] any support for a methodcaller HOF?
Alex Martelli
aleaxit at gmail.com
Fri Feb 3 16:00:26 CET 2006
On Feb 3, 2006, at 6:47 AM, Giovanni Bajo wrote:
...
> use itemgetter and friends but the "correct" way of doing a
> defferred "x[1]"
> *should* let you write "x[1]" in the code. This is my main
> opposition to
> partial/itemgetter/attrgetter/methodcaller: they allow deferred
> execution
> using a syntax which is not equivalent to that of immediate execution.
I understand your worry re the syntax issue. So what about Michael
Hudson's "placeholder class" idea, where X[1] returns the callable
that will do x[1] when called, etc? Looks elegant to me...
Alex
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