--- Thread.new([arg, ...]) { ... }
--- Thread.start([arg, ...]) { ... }
--- Thread.fork([arg, ...]) { ... }

    åɤơ֥åɾ򳫻Ϥޤ

    ϤΤޤޥ֥åϤޤåɤγϤƱˤ
    åɸͭΥѿͤϤ˻Ѥޤ

    åɤ֤ޤ

    㤨СʲΥɤϴְ㤤Ǥåɤμ¹ԤϤ
    ѿ i Ѥǽ뤫Ǥ

      for i in 1..5
         Thread.start { p i }
      end

    ϰʲΤ褦˽ľ٤Ǥ

      for i in 1..5
         Thread.start(i) {|t| p t }
      end

