[Python-Dev] iter alternate form and *args and **kwargs (Was: Wishlist: dowhile)

[Benji York]

Steven Bethard wrote:
> It reminds me of one of my minor gripes about the standard lib -- a
> number of functions that take another function as an argument don't
> take *args and **kwargs to be passed to that function when it's
> called. The iter() alternate form is a common example of this. I
> would prefer that the alternate iter() form was broken off into
> another separate function, say, iterfunc(), that would let me write
> Jp's solution something like:
> 
> for chunk in iterfunc('', f1.read, CHUNK_SIZE):
>     f2.write(chunk)

How about 2.5's "partial":

for chunk in iter(partial(f1.read, CHUNK_SIZE), ''):
     f2.write(chunk)
--
Benji York