How to define a method in Scala that returns a type? - Stack Overflow
You should just put =
:
private def createDomNode(tag: String, attrs: Map[String , String]): DomNode = { // ... }
If you will not put =
between method signature and body, then return type is Unit
, so this:
def m(i: Int) {}
is the same as
def m(i: Int): Unit = {}
Read full article from How to define a method in Scala that returns a type? - Stack Overflow
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