Structはアクセサを省略できる。
Classタイプ
class Point def initialize x,y,z @x = x @y = y @z = z end attr_accessor :x, :y, :z end point = Point.new 3, 4, 4 puts point.x + point.y + point.z
Structタイプ
Point = Struct.new :x, :y, :z point = Point.new 3, 4, 4 puts point.x + point.y + point.z