Guido van Rossum wrote:
On Mon, Mar 19, 2012 at 12:37 PM, Ethan Furman <et...@stoneleaf.us> wrote:
Nick Coghlan wrote:
Collapsing the address list has to build the result list anyway to
actually handle the deduplication part of its job, so returning a
concrete list makes sense in that case.
Having only one function return a list instead of an iterator seems
questionable.
Depending on the code it could either keep track of what it has returned so
far in a set and avoid duplication that way; or, just return an
`iter(listobject)` instead of `listobject`.
I know I'm lacking context, but is the list ever expected to be huge?
If not, what's wrong with always returning a list?
Nothing wrong in and of itself. It just seems to me that if we have
several functions that deal with ip addresses/networks/etc, and all but
one return iterators, that one is going to be a pain... 'Which one
returns a list again? Oh yeah, that one.'
Granted it's mostly a stylistic preference for consistency.
~Ethan~
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