Journal.list.sum: def of bend-kit-journal@0.3.1.0
Import: import bend-kit-journal@0.3.1.0/journal.bend as Journal
Lines 204-206 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=204&end_line=206

import Base

def list.sum(xs: List<&2, U32>) -> List<&2, U32> & U32:
  +ys = xs
  (ys, list.crc(ys))

Uses (5):
  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=bend-kit-journal@0.3.1.0/journal.bend&name=list.crc