On Monday, 11 March 2013 at 16:37:00 UTC, Namespace wrote: > Seems to be the wrong point of optimizations. Profile? Also, note that appender is a tool for appending stuff *into an array*. If you don't actually need an array at the end, then you could give Array a roll? I don't think it will necessarily do better, but it doesn't hurt to give it a roll.