Scalaisms.md

Scalaisms

def common[T<:Equals](a: T, b: T): Option[T] = {
	if(a == b) Some(a) else None
}

def common[T<:AnyVal](a: T, b: T): Option[T] = {
	if(a == b) Some(a) else None
}

scala.collection.breakOut

Seq(Some("a"), Some("b"), None) flatMap identity[Option[String]]

val maybeName = Some("bob")

if(maybeName.isDefined) maybeName.get else "N/A"

// vs:
maybeName match {
	case Some(name) => name
	case None => "N/A"
}

// vs:
maybeName getOrElse "N/A"