From: nobu@...
Date: 2014-02-21T06:17:41+00:00
Subject: [ruby-core:60926] [ruby-trunk - Bug #7993] owner of methods defined after using Module#prepend

Issue #7993 has been updated by Nobuyoshi Nakada.

Description updated

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Bug #7993: owner of methods defined after using Module#prepend
https://bugs.ruby-lang.org/issues/7993#change-45324

* Author: Nobuhiro IMAI
* Status: Closed
* Priority: Normal
* Assignee: 
* Category: core
* Target version: 
* ruby -v: RUBY_DESCRIPTION # => "ruby 2.1.0dev (2013-03-01 trunk 39546) [x86_64-linux]"
* Backport: 1.9.3: DONTNEED, 2.0.0: DONE
----------------------------------------
The owner of methods defined after using Module#prepend seems to be incorrect.

```ruby
RUBY_DESCRIPTION # => "ruby 2.1.0dev (2013-03-01 trunk 39546) [x86_64-linux]"

class C
  attr_reader :a
  prepend Module.new
  attr_reader :b
end
C.instance_method(:a).owner # => C
C.instance_method(:b).owner # => #<C:0x00000000a52300>
C.new.method(:a).owner      # => C
C.new.method(:b).owner      # => #<C:0x00000000a52300>

module M
  attr_reader :a
  prepend Module.new
  attr_reader :b
end
M.instance_method(:a).owner # => M
M.instance_method(:b).owner # =>
# ~> -:19:in `<main>': undefined method `class' for #<M:0x00000000a515b8> (NoMethodError)
```




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