Ambiguity
Two methods may be mutually ambiguous: neither overrides the other
- In this case, it is an error to send a message and find no most-specific method
- No method: “Do not understand”
- No most-specific: ambiguous
method wuss(p1@Point,p2) vs. method wuss(p1,p2@Point)
method wuss(p1@ColorPoint,p2@Point) vs. method wuss(p1@Point,p2@ColorPoint)