class A
init do end
- meth work
+ fun work
do
if self isa B then
foo
end
class B
-special A
- meth foo do 0.output
+ super A
+ fun foo do 0.output
init do end
end
class C
-special B
- meth bar do 1.output
+ super B
+ fun bar do 1.output
init do end
end