importCocoa

varstr ="Hello,playground"

enumDirection{

caseNorth

caseSouth

caseEast

caseWest

}

v1 =Direction.North;

varv2:Direction= .South;

switchv2{

case.North:

println("north");

case.South:

"south");

case.East:

"east");

case.West:

"west");

default:

"other");

}

enumsequence:Int{

casefirst =1,second,third

}

v3:sequence=sequencefirst;

letv4 =v3.rawValue;

println(v4);

varv5 =sequence(rawValue:3);

v5);