import kernel
class A
- readable attr _a: Int
+ readable var _a: Int
init(a: Int)
do
class B
special A
- redef meth ==(a: Object): Bool
+ redef fun ==(a: nullable Object): Bool
do
if not a isa B then
return false
return a.a is _a
end
- redef init(b: Int)
+ init(b: Int)
do
_a = b
end