AIsOfCatan.Board.PlaceRoad C# (CSharp) Method

        public IBoard PlaceRoad(Edge edge, int playerID)
        {
            var newRoads = new Dictionary<Edge, int>(roads);
            newRoads[edge] = playerID;
            return new Board(terrain, newRoads, new Dictionary<Intersection, Piece>(settlements), robberLocation, harbors, allIntersections, allEdges);
        }