package backgroundtask import ( "fmt" "time" ) // WithInterval sets the interval between periodic work executions. // The interval must be between MinInterval and MaxInterval. func WithInterval(d time.Duration) Option { return func(r *Runner) error { if d < MinInterval || d > MaxInterval { return fmt.Errorf("%w: got %v, must be between %v and %v", ErrInvalidInterval, d, MinInterval, MaxInterval) } r.interval = d return nil } }