万葉.rb の無限たこやきを表現してみた

infinity_takoyaki.rb

# -*- coding: utf-8 -*-
# Ruby >= 2.0.0

class Rubyist
  def initialize
    @ibukuro = Ibukuro.new
  end
  
  def mgmg(takoyaki)
    begin
      @ibukuro.push takoyaki
    rescue IbukuroOverFlow
      raise $!
    ensure
      puts "おいしい！"
    end
  end

  def ganbaru
    puts "まだいけます！！"
    @ibukuro.clear
  end
end

class Ibukuro < Array
  def initialize
    @limit = rand 50
  end

  def push(obj)
    super
    if self.size > @limit
      raise IbukuroOverFlow.new
    end
  end
end

class Takoyaki; end
class IbukuroOverFlow < Exception; end

infinity_takoyaki = (1..Float::INFINITY).lazy.map{Takoyaki.new}
rubyist = Rubyist.new

infinity_takoyaki.each do |takoyaki|
  begin
    rubyist.mgmg takoyaki
  rescue IbukuroOverFlow
    rubyist.ganbaru
  end
end