Init, Add State, Link State

main.go

func (s *StateMachine) Init(initStateValue interface{}) State {
	s.PresentState = State{Id: int64(NodeIDCntr), Value: initStateValue}
	s.g.AddNode(s.PresentState)
	NodeIDCntr++
	return s.PresentState
}

func (s *StateMachine) NewState(stateValue interface{}) State {
	state := State{Id: int64(NodeIDCntr), Value: stateValue}
	s.g.AddNode(state)
	NodeIDCntr++
	return state
}

func (s *StateMachine) LinkStates(s1, s2 State, rule map[Operator]Event) {
	s.g.SetLine(Link{F: s1, T: s2, Id: int64(LineIdCntr), Rules: rule})
	LineIdCntr++
}