Scala: return from closures

"Funny" code

Functions are first class citizens in Scala. JVM, that doesn't know anything on Functions. All the magic is coming from the Scala Library and compiler. Sometimes we should know about "workarounds" were applied to support rich language features.

Clean code: exceptions for Scala?

At the junction of OOP and FP Scala contributors are doing great things. While reading librarie's code I finding a lot of places where author's ignoring gode coding style for the name of performance or interface presentation. Can understand this, they are doing library.
Today found some interesting example called "my mother would kill me for this":