From: Ruby Newbee <rubynewbee@...>
Date: 2009-12-15T18:41:29+09:00
Subject: Re: does module have instance_methods?

2009/12/15 Jesús Gabriel y Galán <jgabrielygalan@gmail.com>:
> On Tue, Dec 15, 2009 at 5:25 AM, Ruby Newbee <rubynewbee@gmail.com> wrote:
>> I'm still confused, since module can't be instantiated, why it has the
>> instance methods?
>>
>> irb(main):162:0> module Mymod
>> irb(main):163:1>   def myway;end
>> irb(main):164:1> end
>> => nil
>> irb(main):165:0> Mymod.respond_to? :myway
>> => false
>> irb(main):166:0> Mymod.instance_methods
>> => [:myway]
>
> It has instance_methods because those methods will be called on an
> instance. It will not be an instance of that module, but it will be an
> object (an instance of some class). They are very similar to the
> instance_methods in a class, in the sense that an object at some point
> will have this module or class in the lookup path when you call a
> method on that instance, so that's the way an instance_method can be
> called. Look:
>

Thanks Jesus, that has make things be clear.