breaker

type Interface interface {
	// Execute runs f() if the limit number of consecutive failed calls is not reached within fail interval.
	// f() call is not locked so it can still be executed concurrently.
	// Returns `ErrClosed` if the limit is reached or f() result otherwise.
	Execute(f func() error) error

	// ClosedUntil returns the timestamp when the breaker will become open again.
	ClosedUntil() time.Time
}

type Options struct {
	Limit        int
	FailInterval time.Duration
	StartBackoff time.Duration
	MaxBackoff   time.Duration
}