// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
 
package machine

import (
  "fmt"
)

const (
  ENTERSTATEEVENT = iota
  EXITSTATEEVENT
)

type Eventtype int

type EventMessage struct {
  on Eventtype
  source State
  dest State
}

type EventChannel chan EventMessage

func (e *EventChannel) Notify(m *EventMessage) {
  *e <- *m
}

func (m EventMessage) String() string {
  return fmt.Sprintf("{on: %d, source: %s, dest: %s}", m.on, m.source, m.dest)
}