Ruby ˤϸ̩ʰ̣ǤϴؿϤޤ󤬡Kernel ⥸塼
Ƥ᥽åɤ (ɤǤؿǸƤӽФΤ)
¾ˤؿΤ褦˻ȤޤΥ᥽åɤ
¾ξؤαƶͤƹԤʤɬפޤ