Journal.frame.of: def of bend-kit-journal@0.3.1.0
Import: import bend-kit-journal@0.3.1.0/journal.bend as Journal
Lines 279-281 of bend-kit-journal@0.3.1.0/journal.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-journal@0.3.1.0/journal.bend&start_line=279&end_line=281

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

def frame.of(+len: U32, r: Bytes.Bytes & U32) -> Bytes.Bytes:
  (p, +sum) = r
  Bytes.append(Bytes.set.u32le(Bytes.set.u32le(Bytes.set.u32le(Bytes.new(12), 0, len), 4, U32.not(len)), 8, sum), p)

Uses (8):
  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.not
  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=append
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=new
  https://jend.leeeet.dev/definition.txt?path=bend-kit-bytes@0.3.3.0/bytes.bend&name=set.u32le