in src/main/scala/com/twitter/stitch/Arrow.scala [1830:1842]
def applyPure(t: Try[T]): Try[T] = {
t match {
case Throw(e) =>
try {
f(e)
} catch {
case e: NonLocalReturnControl[_] => throw new StitchNonLocalReturnControl(e)
case NonFatal(_) =>
}
case _ =>
}
t
}