Netip.v4.parts: def of bend-kit-netip@0.1.0.0
Import: import bend-kit-netip@0.1.0.0/netip.bend as Netip
Lines 80-90 of bend-kit-netip@0.1.0.0/netip.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-netip@0.1.0.0/netip.bend&start_line=80&end_line=90

import Base

def v4.parts(ps: List<&2, String>) -> Maybe<&2, U32>:
  match ps:
    case Con{a, Con{b, Con{c, Con{d, Nil{}}}}}:
      do Maybe<&2, U32>:
        w : U32 <- octet(a)
        x : U32 <- octet(b)
        y : U32 <- octet(c)
        z : U32 <- octet(d)
        return (w * 16777216 + x * 65536 + y * 256 + z : U32)
    case _:
      None{}

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe.bind
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe.pure
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mul
  https://jend.leeeet.dev/definition.txt?path=bend-kit-netip@0.1.0.0/netip.bend&name=octet