local_methods.rb

class BasicObject
  def self.local_methods
    return methods unless superclass
    methods - superclass.methods
  end
  
  def self.local_method(sym)
    method self.local_methods.find { |i| i == sym }
  end
  
  def self.local_instance_methods
    return instance_methods unless superclass
    instance_methods - superclass.instance_methods
  end
  
  def self.local_instance_method(sym)
    instance_method self.local_instance_methods.find { |i| i == sym }
  end
end