> I suspect that it isn't. I, for one, want to see as few libraries that
> are doing something like:
>
>  case RUBY_ENGINE
>  when 'mri'
>  when 'jruby'
>  ...
>  end

Oh I'm favor of it--I would however suggest that allowing for
"docstrings" and/or parse trees of methods would be even more powerful
overall :)

Stay well.
-=R