[BREAKING] Swift will be OpenSores later this year.

http://www.apple.com/live/2015-june-event/9d2ad033-d197-4009-96a7-2a97fd044cb7/

>>32
Nah, what they say about Haskell is it's surprisingly fast once you've rewritten it in an awkward unidiomatic style.

Same goes for OCaml, but its compiler doesn't even do optimization to speak of... at least that is changing.