+++ /dev/null
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# Copyright 2006-2008 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.
-
-import kernel
-class A
- fun bar(a: Object)
- do
- a.output
- end
- redef fun output
- do
- 'A'.output
- end
-
- fun ret_test
- # see rterror_cov_ret
- do
- ret.output
- end
- fun ret: A
- do
- return self
- end
-
- init do end
-end
-
-class B
-special A
- redef fun bar(a: B)
- do
- a.output
- end
- redef fun output
- do
- 'B'.output
- end
- redef fun ret: B
- do
- return self
- end
-
- init do end
-end
-
-var a = new A
-var b = a
-b = new B
-b.bar(5)