ruby ruby中的示例链表

Posted 2021-05-16

#sample link object

class Link
    def initialize(first, rest=nil)
        @first = first
        @rest = rest
    end
    def getfirst
        @first
    end
    def getrest
        @rest
    end
    def extend(val)
        @rest = Link.new(val, @rest)
    end
end