On Wed, Jul 28, 2010 at 7:58 PM, Martin Pool <[email protected]> wrote: > If you accept my theory that API clients want three kinds of semantic > operation ("count them", "give me all", "give me a few") then it seems > reasonable to have a specific clear network operation that means > "count them." It shouldn't be accidentally called as a side effect of > eg getting or iterating over a list of objects, but it shouldn't > require you to jump through hoops either: only when the client > specifically does want to know the number.
This is effectively the approach we're pursuing. We've removed the cases where a client can inadvertently trigger a potentially expensive call to len() but left in the ability to explicitly call it if so desired. -- Benji York _______________________________________________ Mailing list: https://launchpad.net/~launchpad-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~launchpad-dev More help : https://help.launchpad.net/ListHelp
