guards

type LockCounter struct {
	TryMax     int           // 最大回数
	Expiration time.Duration // 判定対象期間
	Trigger    Trigger
	// contains filtered or unexported fields
}

type LockTrigger struct {
	Lock locks.Lock
}

type Trigger interface {
	Fire(ctx context.Context) error          // 発火
	Fired(ctx context.Context) (bool, error) // 発火済み
	Reset(ctx context.Context)
}