Eric MSP Veith wrote:
> Modules are used for mixins. Is it possible -- and does it make sense at 
> all
> - -- to mixin a class into another class? I guess not?

$ irb --simple-prompt
>> class A;end
=> nil
>> class B;include A;end
TypeError: wrong argument type Class (expected Module)
  from (irb):2:in `include'
  from (irb):2
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