状态机

软件包，包含使用 Combine 轻松实现有限状态机的方法

要开始使用，你只需要定义带有状态和事件的枚举，并定义转换。

TODO

[ ] 改进的日志记录控制

用法示例

enum TestEvents: EventProtocol {
  case event1, event2
}

enum TestStates: StateProtocol {
  case initial, step1, step2, step1Alt, finish
}

let stateMachine = StateMachine<TestEvents, TestStates>(with: .initial)
let transition = StateMachineTransition<TestEvents, TestStates>(event: .event1, from: .initial, to: .finish)
try? stateMachine.append(transition: transition)
stateMachine.transitionQueue.waitUntilAllOperationsAreFinished()
XCTAssertEqual(stateMachine.state.value, .initial)

stateMachine.event.send(.event1)
stateMachine.transitionQueue.waitUntilAllOperationsAreFinished()
XCTAssertEqual(stateMachine.state.value, .finish)

查看测试以获取更多用法示例