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

one use

	github.com/gotd/td/tg (current package)
		tl_input_invoice_slices_gen.go#L260: func (s InputInvoiceSlugArray) Retain(keep func(x InputInvoiceSlug) bool) InputInvoiceSlugArray {