MonkeeSage
12/10/2007 12:32:00 PM
On Dec 9, 11:24 pm, Trans <transf...@gmail.com> wrote:
> If we define Module#include as:
>
> class Module
>
> alias _include include
>
> def include(*mods)
> mods.each do |mod|
> if mod.const_defined?(:Self)
> extend mod::Self
> # pass it along if module
> if instance_of?(Module)
> const_set(:Self, Module.new) unless const_defined?(:Self)
> const_get(:Self).send(:include, mod::Self)
> end
> end
> end
> _include(*mods)
> end
>
> end
>
> Example:
>
> module X
> def x; "x"; end
>
> module Self
> def q; "q"; end
> end
> end
>
> class C
> include X
> end
>
> C.q #=> "q"
>
> Benefits:
>
> * Documents well in RDoc
> * Fairly concise and clear
> * Self module fits in well with "class << self"
> * No callbacks used.
>
> T.
Clever. :) It doesn't seem to grok class vars inside of ::Self (?),
but class/module_eval works. Weird since class methods work without
the eval.
Regards,
Jordan