From: Lazaridis Ilias <ilias@...>
Date: 2011-07-13T08:32:21+09:00
Subject: [ruby-core:38033] [Ruby 1.9 - Feature #5005] Provide convenient access to original methods


Issue #5005 has been updated by Lazaridis Ilias.


Lazaridis Ilias wrote:
> The languag allows a class to be "reopened", thus it's behaviour can be redefined:
[...]
>  "original" would behave similar to "super"
> 
> The term "original" can be replaced by any term which describes this concept better.

Just realized that "previous" would be a more concise term.

* super    : the super(class) method, standard OO terminology
* original : the original, the first, the basic version of the method (e.g. C-level one)
* previous : the previous version of this method, the overridden one (either the original one, or an already redefined)

----------------------------------------
Feature #5005: Provide convenient access to original methods
http://redmine.ruby-lang.org/issues/5005

Author: Lazaridis Ilias
Status: Open
Priority: Normal
Assignee: 
Category: core
Target version: 2.0


The languag allows a class to be "reopened", thus it's behaviour can be redefined:

class String
  def any_method
    #custom code
  end
end

the original method can be called, using this construct:

class String
  alias_method :original_any_method, :any_method
  def any_method(*args)
    #custom code
    original_any_method(*args)
    #custom code
  end
end

In order to make this more convenient, the following construct could be provided:

class String
  def any_method(*args)
    #custom code
    original # call the original String#any_method, passing *args (similar to "super")
    #custom code
  end
end

 "original" would behave similar to "super"

The term "original" can be replaced by any term which describes this concept better.






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