Question : scala add to list
Answered by : illai
def::[B >: A](elem: B): List[B]
Adds an element at the beginning of this list. elem is the element to prepend. returns a list which contains x as first element and which continues with this list.
Example:
1 :: List(2, 3) = List(2, 3).::(1) = List(1, 2, 3)
Source : | Last Update : Fri, 13 Nov 20