module Gamefic::Scripting::Responses

def responses
  included_scripts.flat_map(&:responses)
                  .map { |response| response.bind(self) }
end

def responses_for *verbs
  # @todo This double reversal is odd, but Gamefic::Standard fails in

  #   Opal without it.

  included_scripts.reverse
                  .flat_map { |script| script.responses_for(*verbs) }
                  .reverse
                  .map { |response| response.bind(self) }
end