respond_to.cr

class Responder
  @body = ""
  
  def html
    if true
      @body = yield
    end
  end
  
  def js
    if false
      @body = yield
    end
  end

  def respond_to
    yield self
    @body
  end
end


body = Responder.new.respond_to do |format|
  format.html { "html" }
  format.js { "js" }
end

def handle_response(response : String)
  p response
end

handle_response(body)

Would it be interesting to have type-safe responders? Like, make incoming requests subclasses of LuckyRequest based on MIME type (JSONRequest, HTMLRequest) and have def index( r : JSONRequest), etc?

I guess you'd want to share code between the different actions, though...