Why can't a class extend traits with method of the same signature?

Question

Why do I get the error below? How to workaround it?

I assumed that since A and B compile to (interface,class) pairs, it\'s a matter of choosing the right static meth

Answer 1

This is the diamond problem. Which method hi should be inherited, the one from A, or the one from B? You can get around this as Don suggested, by using a common base trait.