# This file is part of NIT ( http://www.nitlanguage.org ). # # Copyright 2005-2008 Jean Privat # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # Ce programme contient les exemples utilisés dans la thèse import kernel class Client var _credit: Int fun regarde(t: Tableau) do if t.joli and _credit >= t.etiquette.prix then achete(t) end end fun achete(t: Tableau) is abstract end class Tableau fun joli: Bool is abstract fun etiquette: Etiquette is abstract end class Etiquette fun prix: Int is abstract end