util

func ElementSelector[R interface{}](
	character rune,
	input []R,
) (*R, error)

func KeyHandler(
	key keyboard.Key,
	buffer *buffer.Buffer,
	triggerAutocomplete func(),
)

func MapKeys(input map[string]states.State) []string

func MapKeysString(input map[string]string) []string

func ParseAppointmentFlag(
	fetcher AppointmentFetcher,
	dateTime schedule.JaneTime,
	patientName string,
) (schedule.Appointment, []schedule.Appointment, error)

func ParseDate(
	dayFormat string,
	yearFormat string,
	dateString string,
) (schedule.JaneTime, error)

func ParsePatientValue(
	fetcher PatientFetcher,
	patientName string,
) (domain.Patient, []domain.Patient, error)

func ParseTreatmentFlag(
	fetcher TreatmentFetcher,
	treatmentName string,
) (domain.Treatment, []domain.Treatment, error)