module NoPatch

# File lib/no_patch.rb, line 7
def self.included(klass)

  def klass.method_added(sym)
    raise RedifinitionError if self.immutable_instance_methods.include? sym
    @immutable_instance_methods << sym
    super
  end

  # Heads up, this calls itself after being defined
  def klass.singleton_method_added(sym)
    @immutable_class_methods ||= []
    raise RedifinitionError if @immutable_class_methods.include? sym
    @immutable_class_methods << sym
    super
  end

  private
  def klass.immutable_instance_methods
    @immutable_instance_methods ||= []
  end

  def klass.immutable_class_methods
    @immutable_class_methods ||= []
  end

end