# This file is part of NIT ( http://www.nitlanguage.org ). # # Copyright 2009 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. redef class Map[K, V] fun get(k: K): V !def: V do abort do if has_key(k) then return self[k] var d = def self[k] = d return d end end var h = new HashMap[String, String] h["bleu"] = "blue" print "B:" print h.has_key("bleu") var v = h.get("bleu") !def do print "Error" abort end print v print "R:" print h.has_key("rouge") v = h.get("rouge") !def do continue "red" print v print h.has_key("rouge") v = h.get("rouge") print v print "N:" print h.has_key("noir") v = h.get("noir") !def do break "black" print v print h.has_key("noir") #alt1#v = h.get("noir")