Method: Module#redefine_method

Defined in:
lib/olelo/extensions.rb

#redefine_method(name) { ... } ⇒ void

This method returns an undefined value.

Redefine a module method

Replaces alias_method_chain and allows to call overwritten method via super.

Yields:

  • New method block



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# File 'lib/olelo/extensions.rb', line 41

def redefine_method(name, &block)
  if instance_methods(false).any? {|x| x.to_s == name.to_s }
    method = instance_method(name)
    mod = Module.new do
      define_method(name) {|*args| method.bind(self).call(*args) }
    end
    remove_method(name)
    include(mod)
  end
  include(Module.new { define_method(name, &block) })
end