From: Aleks Kissinger <aleks0@...>
Date: 2006-07-30T17:35:59+09:00
Subject: Re: to_i vs. to_int

We actually gabbed on this topic a bit recently.  See the second half
of the "Symbols are your friends" thread from a couple of days ago.

On 7/29/06, gabriele renzi <surrender_itRemove@yahoo.it> wrote:
> dblack@wobblini.net ha scritto:
> > Hi --
> >
> >> d>    class S
> >> d>      def to_int
> >> d>        2
> >> d>      end
> >> d>    end
> >>
> >> d>    puts 2 + S.new    # TypeError: S can't be coerced into Fixnum
> >>
> >>      puts 2 | S.new
>
> also, Arrays seem to like it:
>  >> a=Object.new
> => #<Object:0x2c103a0>
>  >> def a.to_int() 2 end
> => nil
>  >> [0,1,3][a]
> => 3
>  >> Array.new(a){ 0 }
> => [0, 0]
>
> >
> > Interesting.  What's the rationale for not doing the conversion for +
> > and - and other operator/methods?
>
> I'd like to know the same :)
>
>