Multipart.heads.cut: def of bend-kit-multipart@0.3.0.0
Import: import bend-kit-multipart@0.3.0.0/multipart.bend as Multipart
Lines 506-508 of bend-kit-multipart@0.3.0.0/multipart.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&start_line=506&end_line=508

import Base
import bend-kit-bytes@0.3.3.0/bytes.bend as Bytes

def heads.cut(+j: U32, r: Bytes.Bytes & Bytes.Bytes, out: List<&1, Item>) -> Step:
  (buf, block) = r
  heads.item(head.parse(Bytes.to_string(block)), drop(buf, (j + 4 : U32)), out)

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  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=bend-kit-bytes@0.3.3.0/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=to_string
  https://jend.leeeet.dev/definition.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&name=Item
  https://jend.leeeet.dev/definition.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&name=Step
  https://jend.leeeet.dev/definition.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&name=drop
  https://jend.leeeet.dev/definition.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&name=head.parse
  https://jend.leeeet.dev/definition.txt?path=bend-kit-multipart@0.3.0.0/multipart.bend&name=heads.item