Tar.bsum.go: def of bend-kit-tar@0.3.0.0
Import: import bend-kit-tar@0.3.0.0/tar.bend as Tar
Lines 21-28 of bend-kit-tar@0.3.0.0/tar.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-tar@0.3.0.0/tar.bend&start_line=21&end_line=28

import Base

def bsum.go(n: Nat, r: Array<U32> & U32, +k: U32, +acc: U32) -> Array<U32> & U32:
  match n:
    case 0n:
      (a, w) = r
      (a, acc)
    case 1n+p:
      (a, +w) = r
      bsum.go(p, Array.get(U32, a, (k + 1 : U32)), (k + 1 : U32), (acc + wsum(w) : U32))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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-tar@0.3.0.0/tar.bend&name=wsum