Issue #9112 has been updated by Hanmac (Hans Mackowiak).


would it with the change also possible to add Module multible times into the Ancestor chain?
like
  C1 < M1 < C2 < M1 < M2 < C3 
?
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Feature #9112: Make module lookup more dynamic (Including modules into a module after it has already been included)
https://bugs.ruby-lang.org/issues/9112#change-42988

Author: PragTob (Tobias Pfeiffer)
Status: Assigned
Priority: Normal
Assignee: matz (Yukihiro Matsumoto)
Category: core
Target version: 


If a module (M) is included into a class (C) and afterwards another module (M2) is included into the first module (M) then C does not include M2 and instances do not respond to methods defined in M2. I think instances of C should respond to methods defined in M2 and C should include M2.

I created a gist detailing the problem I have: https://gist.github.com/PragTob/7472643

I think this behavior is confusing, because if I'd reopen module M and just add methods there then instances of C can call those methods. However if I include another module in M then instances of C can not call those methods.

Any opinions on if this would be a better behavior or why it isn't?

(was unsure to file it as a bug or feature)


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