From: Robert Dober <robert.dober@...>
Date: 2007-01-28T08:58:38+09:00
Subject: Re: Question about digits

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On 1/28/07, CHubas <CHubas7@gmail.com> wrote:
>
> While playing a little with Ruby, I've been looking for a function
> each_digit, or something similar, and I couldn't find any (standard
> nor library). I think it'd be useful to have a function like that.
> It's pretty simple to implement one for Integers
>
> class Integer
>     def each_digit(base = 10, &block)
>         return if zero?
>         (self/base).each_digit(base, &block)
>         yield self % base
>     end
> end
>
> A first approach. Of course, it would be a little more complicated for
> negatives and Floats, specially dealing with precision.
>
> What do you think?


class Integer
    def each_digit(base=10)
        to_s( base ).each_byte{ |b| yield b.chr }
    end #def each_digit(base=10)
end

Cheers
Robert



-- 
"The best way to predict the future is to invent it."
- Alan Kay

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