MANIPULATION D'ITERATEURS

        new Concat<Integer>(new Seq(5,9), new Seq(1,3)).show();
        new Combine<Integer, Integer, Integer>(new Seq(5,9), new Seq(1,3)){
            public Integer call(Integer a, Integer b){
                return new Integer(a.intValue() + b.intValue() * 10);
            }
        }.show();
        new Map<Integer, Integer>(new Seq(0,9)){
            public Integer call(Integer a){
                return new Integer(a.intValue() * 2);
            }
        }.show();
        new Filter<Integer>(new Seq(0,9)){
            public boolean filtre(Integer a){
                return a.intValue() % 2 == 0;
            }
        }.show();