github.com/gotd/td/tg.PaymentsPaymentResultClassArray.Retain (method)

one use

	github.com/gotd/td/tg (current package)
		tl_payments_payment_result_slices_gen.go#L57: func (s PaymentsPaymentResultClassArray) Retain(keep func(x PaymentsPaymentResultClass) bool) PaymentsPaymentResultClassArray {