[ruby-core:44737] Re: [ruby-trunk - Feature #6373] public #self

On 28/04/2012 16:10, matz (Yukihiro Matsumoto) wrote:
>
> Issue #6373 has been updated by matz (Yukihiro Matsumoto).
>
>
> __id__ returns object_id number, identity here is supposed to return itself.
> I agree with introducing method to return self, but not fully satisfied with the name 'identity'.
> Any opinion?
>

"itself"?

-- 
Alex

> Matz.
>
> ----------------------------------------
> Feature #6373: public #self
> https://bugs.ruby-lang.org/issues/6373#change-26296
>
> Author: trans (Thomas Sawyer)
> Status: Assigned
> Priority: Normal
> Assignee: matz (Yukihiro Matsumoto)
> Category: core
> Target version: 2.0.0
>
>
> =begin
> This was recently suggested to me as an extension:
>
>    class Object
>      # An identity method that provides access to an object's 'self'.
>      #
>      # Example:
>      #   [1,2,3,4,5,1,2,2,3].group_by(&:identity)
>      #   #=>  {1=>[1, 1], 2=>[2, 2, 2], 3=>[3, 3], 4=>[4], 5=>[5]}
>      #
>      def identity
>        self
>      end
>    end
>
> First, is such a method commonly useful enough to warrant existence?
>
> Second, it makes me wonder if #self should be a public method in general.
> =end
>
>