# This file is part of NIT ( http://www.nitlanguage.org ).
#
# Copyright 2009 Jean Privat <jean@pryen.org>
#
# 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.

var l = new List[Int]
l.add_all([1, 2, 3, 4, 5, 6])
print l.join(", ")
do
	var it = l.iterator
	while it.is_ok do
		it.item += 10
		it.next
	end
end
print l.join(", ")
do
	var it = l.iterator
	while it.is_ok do
		it.insert_before(it.item-10)
		it.insert_before(it.item+10)
		it.delete
		it.next
	end
end
print l.join(", ")