;;;; cl-scopes/core/message

(defpackage :scopes/core/message
  (:use :common-lisp)
  (:local-nicknames (:shape :scopes/shape))
  (:export #:message #:create
           #:head #:data #:sender))

(in-package :scopes/core/message)

;;;; message

(defclass message (shape:record)
  ((shape:head-fields :initform '(:domain :action :class :item))
   (sender :reader sender :initarg :sender :initform nil)))

(defun create (head &key data sender)
  (make-instance 'message :head head :data data :sender sender))

(defmethod print-object ((msg message) stream)
  (format stream "<message ~s ~s <data ~s>>" 
          (shape:head msg) (sender msg) (shape:data msg)))