And was (pleasantly) surprised to find that it contains the sentence "Try[T] is similar to Option[T] or Either[T, S], in that it is a monad potentially holding a value of some type" as well as a later reference to "monadic operations without side-effects".
By coincidence, I was reading the official guide to Futures yesterday: http://docs.scala-lang.org/overviews/core/futures.html
And was (pleasantly) surprised to find that it contains the sentence "Try[T] is similar to Option[T] or Either[T, S], in that it is a monad potentially holding a value of some type" as well as a later reference to "monadic operations without side-effects".