api ideas for supporting provides in merb_resource_controller.rb

class Articles < Application

  controlling :articles do |a|

    a.action :new,  :only_provides => :html
    a.action :edit, :only_provides => :html

    a.action :create, :provides => [ :xml, :json, :yml ] do
      a.on_success { display member, :status => 201, :location => resource(member) }
      a.on_failure { display member.errors, :status => 422 }
    end

    a.action :update, :provides => [ :xml, :json, :yml ] do
      a.on_success { EMPTY_RESPONSE }
      a.on_failure { display member.errors, :status => 422 }
    end

    a.action :destroy, :provides => [ :xml, :json, :yml ] do
      a.on_success { EMPTY_RESPONSE }
    end

  end
end