func (ti *TzInfo) ShortGeneric() string {
	return ti.shortGeneric
}
ShortGeneric returns the generic timezone abbreviation.
It returns the empty string if there is no generic timezone abbreviation.
package timezone
type TzInfo struct {
	longGeneric        string
	longStandard       string
	longDaylight       string
	shortGeneric       string
	shortStandard      string
	shortDaylight      string
	standardOffset     int
	daylightOffset     int
	standardOffsetHHMM string
	daylightOffsetHHMM string
	countryCode        string
	isDeprecated       bool
	linkTo             string
	lastDST            int
}
func (ti *TzInfo) LongGeneric() string {
	return ti.longGeneric
}
func (ti *TzInfo) LongStandard() string {
	return ti.longStandard
}
func (ti *TzInfo) LongDaylight() string {
	return ti.longDaylight
}