From: manga.osyo@...
Date: 2021-03-10T13:31:04+00:00
Subject: [ruby-core:102803] [Ruby master Feature#17674] Proposal: `Method#source_location` or `Method#owner` for refined methods

Issue #17674 has been updated by osyo (manga osyo).


hi.
In Ruby 2.7 and later, `#method` supports Refinements.

```ruby
# test.rb
module Cover
  refine Range do
    def cover?(value)
      return super unless value.is_a?(Range)

      super(value.first) && super(value.last)
    end
  end
end
using Cover

pp (1..10).method(:cover?).source_location
# Ruby 2.6 => nil
# Ruby 2.7 => ["/test.rb", 4]

pp (1..10).method(:cover?).owner
# Ruby 2.6 => Range
# Ruby 2.7 => #<refinement:Range@Cover>
```

see: https://bugs.ruby-lang.org/issues/15373


----------------------------------------
Feature #17674: Proposal: `Method#source_location` or `Method#owner` for refined methods
https://bugs.ruby-lang.org/issues/17674#change-90824

* Author: AlexWayfer (Alexander Popov)
* Status: Open
* Priority: Normal
----------------------------------------
Inspired by https://bugs.ruby-lang.org/issues/15504#note-17

I'm working on a gem with Ruby refinements, and some methods are invented in new Ruby versions like 2.5 or 3.0, and I'd like to define in this gem should I refine a method or not.

So��� current behavior of `Method#source_location` returns `nil` for core and/or refined methods. I think, refinements should be caught by this method. Also I didn't know about `Method#owner`, but it can be a case for refinements too.



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