From: Rich Kilmer <rich@...>
Date: 2002-09-10T13:14:16+09:00
Subject: RE: Larry Wall's comments on Ruby

class Numeric
  Math.singleton_methods.each do
    | meth |
    module_eval <<-EOF
      def #{meth}
        Math.#{meth}(self)
      end
    EOF
  end
end 

10 lines...but works with all methods defined in Math (some new ones
added in 1.7).

-rich

> -----Original Message-----
> From: Hal E. Fulton [mailto:hal9000@hypermetrics.com] 
> Sent: Monday, September 09, 2002 11:57 PM
> To: ruby-talk ML
> Subject: Re: Larry Wall's comments on Ruby
> 
> 
> ----- Original Message ----- 
> From: "Reimer Behrends" <behrends@cse.msu.edu>
> Newsgroups: comp.lang.ruby
> To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
> Sent: Monday, September 09, 2002 10:53 PM
> Subject: Re: Larry Wall's comments on Ruby
> 
> 
> > Hal E. Fulton (hal9000@hypermetrics.com) wrote:
> > [...]
> > >  It should be possible to write a little module to mix
> > >  in methods into Numeric (I suppose) which would do the  
> same thing.
> > 
> > class Numeric
> >   [:sin, :cos, :tan, :log, :log10, :exp, :sqrt].each do
> >     | meth |
> >     module_eval <<-EOF
> >       def #{meth}
> >         Math.#{meth}(self)
> >       end
> >     EOF
> >   end
> > end
> > 
> > Personally, I still prefer the traditional function notation.
> 
> Yeah... what he said.  :)
> 
> Hmm, ten lines exactly.
> 
> Thanks...
> 
> Hal
> 
> 
>