配列の要素を逆順にする処理を再帰でムリヤリ書いた | Codetter（こーどったー）

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$hai = [1,2,3,4,5]
$s = 0
$t = $hai.length - 1
class Tostatic
  def self.rev
     if $t < $s then
       return
     end
     $hai[$s], $hai[$t] = $hai[$t], $hai[$s]
     $s += 1
     $t -= 1
     self.rev
  end
end
Tostatic.rev
puts $hai[0]
puts $hai[1]
puts $hai[2]
puts $hai[3]
puts $hai[4]
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX