From: botp <botpena@...>
Date: 2011-01-24T15:20:11+09:00
Subject: Re: class_eval

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