Bendtorch.asum: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 1494-1500 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=1494&end_line=1500

import Base

# acc + a[j] for j = idx..idx + k, in order
def asum(k: Nat, +idx: U32, acc: F32, r: Array<F32> & F32) -> AS:
  match k r:
    case 0n Tuple{a, +x}:
      AS{a, (acc + x : F32)}
    case 1n+q Tuple{a, +x}:
      asum(q, (idx + 1 : U32), (acc + x : F32), Array.get(F32, a, (idx + 1 : U32)))

Uses (10):
  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=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.add
  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=bendtorch@1.3.0.0/main.bend&name=AS