def ipv6.go
import bend-kit-dns@0.7.0.0/dns.bend as Dnsimport Base
414def ipv6.go(s: String) -> Bool:
415 match s:
416 case SNil{}:
417 True{}
418 case SCon{Chr{+c}, t}:
419 Bool.and(Bool.or(U32.is_eq(c, 58), ipv6.ch(c)), ipv6.go(t))