slavapestov/factor — Issue #421: defining methods on maybe types is broken
Author: erg
Created: 2011-11-22 11:00:34+00:00
State: open

implementor map should only have entries for generics with methods on them

keep track of generic with method on foo, and method on maybe: foo -- don't delete key when one stops existing
-refcounting?

implementors should not be used by tools
-does classes have to be fast? all-words [ class? ] filter (tools that need it fast?)

```factor
TUPLE: foo ;
GENERIC: lol ( obj -- obj )
M: maybe: foo lol "lol" print ;
Sequence is immutable
seq f
```