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caseで遊びたい

Last updated at Posted at 2015-08-22
caseで条件分岐をしてみよう
shingo = "桃色"
case shingo
when "赤"
    puts "止まれ"
when "青"
    puts "行け"
when "黄色"
    puts "止まれなければ注意して行け"
else
    puts "帰れ"
end

これ、止まれとか行けとかランダムかなんかで
代入されるような形ってどうやるんでしょう
この場合shingoの中身が変化するように

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