On Fri, Mar 18, 2016 at 10:53 PM, Will Stanton via swift-users <swift-users@swift.org> wrote: > I might have missed something since a lot of the results are for tests > <https://github.com/apple/swift/search?utf8=✓&q=underestimatedCount&type=Code> > But why would `underestimatedCount` ever be used instead of `count`? Don’t > most collections have O(1) `count` anyway?
Hi Will, This API comes from Sequence, which does not have a count that you can inspect without possibly consuming the sequence. Dmitri -- main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if (j){printf("%d\n",i);}}} /*Dmitri Gribenko <griboz...@gmail.com>*/ _______________________________________________ swift-users mailing list swift-users@swift.org https://lists.swift.org/mailman/listinfo/swift-users