Issue #6452 has been reported by rosenfeld (Rodrigo Rosenfeld Rosas).

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Feature #6452: Allow extend to override class methods
https://bugs.ruby-lang.org/issues/6452

Author: rosenfeld (Rodrigo Rosenfeld Rosas)
Status: Open
Priority: Normal
Assignee: matz (Yukihiro Matsumoto)
Category: 
Target version: 3.0


```
module A
  def self.a
    'a1'
  end
end

module B
  def a
    'a2'
  end

  def b
    'b'
  end
end

A.extend B

assert A.a == 'a2' # this is the change I'm proposing - currently it is 'a1'
assert A.b == 'b'
```

Would this change be possible for 3.0?


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