1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2012 Alexandre Terrasa <alexandre@moz-code.org>
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
27 type T
: nullable Object
29 fun foo
(o
: Object): Bool do
39 fun bar
(o
: Object): Bool do
50 assert a
.foo
(new A
[Object])
52 var b
= new B
[A
[Object]]
53 assert b
.foo
(new A
[Object])
54 assert b
.foo
(new B
[Object])
55 assert not b
.foo
(true)
56 assert not b
.bar
(new B
[Object])
59 var c
= new C
[Object, B
[Object]]
60 assert c
.foo
(new A
[Object])
61 assert c
.foo
(new B
[Object])
62 assert c
.foo
(new C
[Object, B
[Object]])