Fallthrough in the SWIFT switch statement

The switch in Swift does not automatically fall from the previous case branch to the next one, if it is determined that this effect can be used in each case branch that requires the attribute

Fallthrough keywords

//throughLet integer =5var desc="The number \ (integer) is"SwitchInteger { Case 2,3,5,7, One://Prime NumberDesc + ="a prime number, and also"Fallthroughdefault: Desc+="An integer"}println ("desc is \ (DESC)")

Fallthrough in the SWIFT switch statement