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

one use

	github.com/gotd/td/tg (current package)
		tl_phone_call_discard_reason_slices_gen.go#L87: func (s *PhoneCallDiscardReasonClassArray) PopFirst() (v PhoneCallDiscardReasonClass, ok bool) {