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.
31 var b1
= new B
[Canard]
32 var b2
= new B
[B
[Canard]]
34 assert b1
isa A
# true
35 assert b1
isa B
[Canard] # true
36 assert b1
isa B
[Animal] # true
37 assert not b1
isa B
[Bool] # false
39 assert not b2
isa B
[Bool] # false
40 assert b2
isa B
[B
[Canard]] # true
41 assert not b2
isa B
[B
[Bool]] # false
42 assert b2
isa B
[B
[Animal]] # true