Stop using, opt match { case Some(x) => f(x); case None => y } Stop using, http://opt.map (f).getOrElse(y) Use, opt.fold(y)(f) I feel like I'm very late to this party.
-
Except the ifEmpty (the zero) is call-by-name—which is not consistent with others. https://www.scala-lang.org/api/current/scala/collection/immutable/List.html#fold[A1%3E:A](z:A1)(op:(A1,A1)=%3EA1):A1 …
-
-
Nah, I prefer to be able to reason about evaluation without having to look up the signature. :)
-
This Tweet is unavailable.
- Show replies
New conversation -
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.