From: Gregory Brown <gregory.t.brown@...>
Date: 2006-08-08T07:55:21+09:00
Subject: Re: An integer's life span?

On 8/7/06, Gregory Brown <gregory.t.brown@gmail.com> wrote:

> So, attr_accessor prime would probably due the trick.

err, typo there, and here is an example of what i mean.

bash-3.1$ irb
>> class Integer; attr_accessor :prime; end
=> nil
>> 1.prime = true
=> true
>> 2.prime = true
=> true
>> 3.prime = true
=> true
>> 5.prime = true
=> true
>> 7.prime = true
=> true
>> (1..7).select { |n| n.prime }
=> [1, 2, 3, 5, 7]

might want to add a prime? method too.