[ruby-core:101244] Re: [Ruby master Feature#17055] Allow suppressing uninitialized instance variable and method redefined verbose mode warnings

Thanks. It’s only partially unrelated, because while it would be great for
RDoc to do the right thing (always treat `foo/foo=` method pairs as if they
were attribute writers), the `undef` was done *specifically* to avoid the
“redefining a method” warning.

-a

On Thu, Dec 3, 2020 at 6:05 PM Jeremy Evans <[e-mail]> wrote:

> On 12/03 05:44, Austin Ziegler wrote:
> > What does this mean?
> >
> > > Considering that you can alias a method to itself to avoid the warning,
> > and therefore do not need to remove the method first (which would cause a
> > race condition), I am dropping my request to add
> > `expected_redefined_method?(method_name)`.
>
> As shown by Urabe-san:
>
> ```ruby
> def foo
> end
>
> # This avoids the redefinition warning
> alias foo foo
>
> # This would normally result in a redefinition warning in verbose mode,
> # if not for the alias above.
> def foo
> end
> ```
>
> > I have code that I???ve written to get around some rdoc silliness that
> does:
> >
> >   # rdoc documentation for foo.
> >   attr_writer :foo
> >   undef :foo=
> >   def foo=(x) #:nodoc:
> >     # specialized foo assignment code
> >   end
> >
> > If I didn???t do this, RDoc documents both the attribute and the `foo=`
> > method (or it did the last time I checked) even though all I want
> > documented is the attribute for readability. How would I make it so that
> I
> > don???t need to do `undef :foo=` here, as that has been one thing that
> has
> > failed this code (_hard_) with both type analyzers for Ruby.
>
> This seems to be an unrelated issue.  I would avoid the attr_writer and
> the undef.  If you just want RDoc to mark this as an attribute method
> instead of general method, then you may want to submit a pull request to
> rdoc to add markup syntax to be able to flag a regular method as an
> attribute method.
>
> Thanks,
> Jeremy
>
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-- 
Austin Ziegler • [e-mail] • [e-mail]
http://www.halostatue.ca/ • http://twitter.com/halostatue

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