def prefix.valid
import bend-kit-netip@0.1.0.0/netip.bend as Netipimport Base
370def prefix.valid(addr: Addr, bits: U32, valid: Bool) -> Maybe<&2, Prefix>:
371 match valid:
372 case True{}:
373 prefix.limit(addr, bits)
374 case False{}:
375 None{}