Yup. Everyone has different needs from their code, an mine primarily needs to run on Linux despite often working on it in OS X. Ruby does that beautifully now.

Yup. Everyone has different needs from their code, an mine primarily needs to run on Linux despite often working on it in OS X. Ruby does that beautifully now. I can't see spending time on Swift until it runs across Unix flavors. That seems quite possible in principal since Swift relies on LLVM.