notepad-lang独自案

notepad-lang.np

abstract class Person:
	# protected
	prop trueAge [get, private set]
	abstract prop age [get]

	# public
	def me(age):
		me.trueAge = age

	def tellAge => "私は\(me.age)歳です。"

class HonestPerson extends Person:
	protected prop age => me.trueAge

class Liar extends Person:
	protected prop age => me.trueAge but if $ > 40 then $ / 2


var mike = new HonestPerson(20)
var ken = new Liar(20)

println "mike: " ~ mike.tellAge
println "ken: " ~ ken.tellAge