From: Eric Hodel <drbrain@...7.net>
Date: 2003-05-13T22:39:56-07:00
Subject: Re: Ruby OO? sin method? puts method? @@?


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KONTRA Gergely (kgergely@mlabdial.hit.bme.hu) wrote:

> On 0513, nobu.nokada@softhome.net wrote:
> > > Than why not sin is a method?
> > To fit to mathematical notation.
> ???
> I write sin(0.5) but also abs(0.5)
> So I don't know why the difference, and why cannot a number tell it's
> sin. This is analogous to "asdf".length and the others...

class Numeric
  def sin
    Math.sin(self)
  end

  def puts(io =3D $stdout)
    io.puts self
  end
end


(Math::PI/2).sin.puts # =3D> 1.0

In Ruby, its easy enough to change things about.

--=20
Eric Hodel - drbrain@segment7.net - http://segment7.net
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