Class: Class

Inherits:
Object show all
Defined in:
lib/eymiha.rb

Overview

Provides object remapping in new - that is, lets new return an object different from the new one that was requested.

Constant Summary collapse

@@new_remap = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.remap_new_object(o, r) ⇒ Object

remaps the original object to a different object to be returned by new



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# File 'lib/eymiha.rb', line 145

def self.remap_new_object(o,r)
  @@new_remap[o] = r
end

Instance Method Details

#allows_object_remapping_in_new ⇒ Object

redefines the class’ new method to be able to return a different object



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# File 'lib/eymiha.rb', line 150

def allows_object_remapping_in_new
  self.class_eval <<EOS
class<<self
  alias old_new new

  def new(*args,&block)
    obj = old_new(*args,&block)
    Class.new_remap.delete(obj) || obj
  end
end
EOS
end