From: Wilson Bilkovich <wilsonb@...>
Date: 2006-03-22T23:10:10+09:00
Subject: Re: once again looking for my module methods

Speaking of "<<", what about making more use of that piece of syntax?

For example:
class ConcreteThing << Module
end

I don't think that would be precisely "unifying" modules and classes. 
I feel pretty comfortable with Ruby these days, and I feel like my
code is highly Ruby-like.
On the other hand, I occasionally miss interfaces and abstract classes
for readability reasons.

On 3/21/06, Trans <transfire@gmail.com> wrote:
> > Thanks, David.  I don't want to make
> >
> >  include Math
> >
> > at the toplevel to add sin, cos, etc. to Object class.
>
> It already does. They are there you just can't access them b/c they're
> private.
>
>   Object.cos(1)
>   NoMethodError: undefined method `cos' for Object:Class
>           from (irb):1
>   irb(main):002:0> include Math
>   => Object
>   irb(main):003:0> Object.cos(1)
>   NoMethodError: private method `cos' called for Object:Class
>           from (irb):3
>   irb(main):004:0> class << Object
>   irb(main):005:1>   public :cos
>   irb(main):006:1> end
>   => #<Class:Object>
>   irb(main):007:0> Object.cos(1)
>   => 0.54030230586814
>
> T.
>
>
>