#scala
The return keyword is not "optional" or "inferred"; it changes the meaning of your program, and you should never use it.
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tpolecat
May 09, 2014
Don't Use Return in Scala
Alright, every time Martin's Coursera course runs we get people in #scala asking why they get style points taken off for using return. So here's the pro tip:
<span>The return keyword is not "optional" or "inferred"; it changes the meaning of your program, and you should never use it.
Let's look at a little example.
// Add two ints, and use this method to sum a list
def add(n:Int, m:Int): Int = n + m
def sum(ns: Int*): Int = ns.foldLeft(0)(add)
scala> sum(33, 42, Summary
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