From: "David A. Black" <dblack@...>
Date: 2008-08-16T03:11:21+09:00
Subject: Re: Ruby: Boolean Challenge

Hi --

On Sat, 16 Aug 2008, Emmanuel Oga wrote:

> # Paste url: http://gist.github.com/5603
> # Gist Paste Clone URL: git://gist.github.com/5603.git
>
> # [Impossible?] CHALLENGE: See pending spec at the bottom
> #
> # PROBLEM:   I want to replace statements like this:
> #
> #   puts (OddRecognizer.new.knows?(1) or OddRecognizer.new.knows?(3)) ?
> "there are odds" : "there is no odd"
> #
> # With something like this:
> #   puts OddRecognizer.new.knows?(1).or?(3) ? "there are odds" : "there
> is no odd"
> #
> # OddRecognizer is just a trivial class just to prove my concept
> class OddRecognizer
>  def knows?(value)
>    (value % 2) == 0
>  end
> end

Do you mean EvenRecognizer?


David

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