scalaz/scalaz-stream — pull request #63 by fthomas (2013-12-14 07:31:20+00:00)
Title: Add Process.iterate[A](start: A)(f: A => A)

`Process.iterate[A](start: A)(f: A => A): Process[Task,A]` creates an infinite Process which emits `start`, `f(start)`, `f(f(start))`, ...