From: Lorenzo Brito Morales <lorenzo.brito@...>
Date: 2011-01-24T15:25:41+09:00
Subject: Re: class_eval

WOW thanks a lot, i really got crazy about that. i will continue to
reading the book but
as i see it, ruby really difers from other languate, his feautures are
powerfull if we can understand it.

On Mon, Jan 24, 2011 at 12:20 AM, botp <botpena@gmail.com> wrote:
> On Mon, Jan 24, 2011 at 1:46 PM, Lorenzo Brito Morales
> <lorenzo.brito@gmail.com> wrote:
>> Ok, thanks, in that way what actually we are doing is a class method
>
> yes. a class method
>
>> not? a static called in java or csharp
>
> similar
>
>> but the thing i really feel very weird is these
>> class Class
>> def add_accessor(accessor_name)
>> self.class_eval %Q{
>> attr_accessor :#{accessor_name}
>> }
>> end
>> end
>> class Person
>> end
>> person = Person.new
>> Person.add_accessor :name
>> but why the method added to Class works on Person as class method ? if
>> it is added in Class as instance method ?
>
> that means, Person is an instance of class Class
>
> ie when you do,
>
>  class Person
>  end
>
> ruby treats it as
>
>  Person=Class.new
>
>
> best regards -botp
>
>