github.com/gotd/td/tg.PhoneCallDiscardReasonClassArray.First (method)

one use

	github.com/gotd/td/tg (current package)
		tl_phone_call_discard_reason_slices_gen.go#L71: func (s PhoneCallDiscardReasonClassArray) First() (v PhoneCallDiscardReasonClass, ok bool) {