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? -- --Guido van Rossum (python.org/~guido) _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
