1 import CW8b._
1
2
2 //type Pos = (Int, Int)
3 //type Pos = (Int, Int)
3 //type Path = List[Pos]
4 //type Path = List[Pos]
4
5
5 def add_pair_urban(x: Pos)(y: Pos): Pos =
6 def add_pair_urban(x: Pos)(y: Pos): Pos =