i can have a companion object implement an interfa...

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[jw]

i can have a companion object implement an interface and interact with its instance-less methods via abstraction

[uli]

jw: well, there are no instance less methods in companion objects. If i define an extension method on a companion object and don't use the companion object instance i get a warning

[jw]

It's instance-less with respect to the enclosing class, not the companion class