From: Robert Dober <robert.dober@...>
Date: 2006-09-04T00:22:24+09:00
Subject: Re: Happy Numbers (#93)

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On 9/3/06, Phrogz <gavin@refinery.com> wrote:
>
> Sander Land wrote:
> > class Array
> >   def sum
> >     inject(0){|a,b| a+b}
> >   end
> > end
>
> For a little more speed, try instead:
>
> class Array
>   def sum
>     inject{ |a,b| a+b }
>   end
> end
>
>
> The following is about three times faster on my box (there was a recent
thread about it, was there not ;)


class Array
  def sum
     s=3D0
     each{ | e | s+=3D e }
     s
  end
end

Cheers
Robert
--=20
Deux choses sont infinies : l'univers et la b=EAtise humaine ; en ce qui
concerne l'univers, je n'en ai pas acquis la certitude absolue.

- Albert Einstein

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