On Tue, 2012-04-03 at 17:17 -0500, Jonathan Monette wrote: > However, swift r4756 has the new code which uses the size of a map. The svn log does not say why. I think the reason for it was that previously @length(some_non_array) would give a weird error, whereas the current code complains more nicely that length must be applied to an array.