Scan.run.pre: def of bend-parallel@0.1.0.0
Import: import bend-parallel@0.1.0.0/scan.bend as Scan
Lines 186-188 of bend-parallel@0.1.0.0/scan.bend: https://jend.leeeet.dev/read.txt?path=bend-parallel@0.1.0.0/scan.bend&start_line=186&end_line=188

import Base

# Pass 1 over a (2^lg entries) at depth d, into a new s.
def run.pre(+d: Nat, +e: Nat, a: Array<U32>) -> Two:
  sums(d, 0, e, Array.fork(U32, a), Array.fork(U32, Array.new(U32, d, 0)))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.fork
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.new
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-parallel@0.1.0.0/scan.bend&name=Two
  https://jend.leeeet.dev/definition.txt?path=bend-parallel@0.1.0.0/scan.bend&name=sums