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ruby--ruby/sample/list3.rb
Kenichi Kamiya cda8664471 Update a sample code (#2387)
Kernel#inspect does not call #to_s now

To follow fd7dc23d28
2019-08-19 18:00:29 +09:00

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Ruby

# Linked list example -- short version
# using inspect
class Point
def initialize(x, y)
@x = x; @y = y
self
end
def inspect
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: ", list1.inspect, "\n")
print("list2: ", list2.inspect, "\n")