Point = Struct.new(:x, :y)p1 = Point.new(1, 2) puts "p1 is (#{p1.x}, #{p1.y})"p2 = Point.new() puts "p2 is (#{p2.x}, #{p2.y})"require "ostruct"p3 = OpenStruct.newp3.x = 1p3.y = 3puts "p3 is (#{p3.x}, #{p3.y})"