[Python-Dev] Let's just *keep* lambda
"Martin v. Löwis"
martin at v.loewis.de
Thu Feb 9 17:39:31 CET 2006
Jiwon Seo wrote:
> Apparently, simplest example is,
>
> collection.visit(lambda x: print x)
Ok. I remotely recall Guido suggesting that print should become
a function.
It's not a specific example though: what precise library provides
the visit method?
> which currently is not possible. Another example is,
>
> map(lambda x: if odd(x): return 1
> else: return 0,
> listOfNumbers)
Hmm. What's wrong with
map(odd, listOfNumbers)
or, if you really need ints:
map(lambda x:int(odd(x)), listOfNumbers)
> Also, anything with exception handling code can't be without explicit
> function definition.
>
> collection.visit(lambda x: try: foo(x); except SomeError: error("error
> message"))
That's not a specific example.
Regards,
Martin
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