# Linked list example -- short version
class Point
def initialize(x, y)
@x = x; @y = y
self
end
def to_s
sprintf("%d@%d", @x, @y)
end
end
list1 = [10, 20, Point.new(2, 3), Point.new(4, 5)]
list2 = [20, Point.new(4, 5), list1]
print("list1:\n", list1.join("\n"), "\n")
print("list2:\n", list2.join("\n"), "\n")