Histogram.ins.go: def of bend-parallel@0.1.0.0
Import: import bend-parallel@0.1.0.0/histogram.bend as Histogram
Lines 182-192 of bend-parallel@0.1.0.0/histogram.bend: https://jend.leeeet.dev/read.txt?path=bend-parallel@0.1.0.0/histogram.bend&start_line=182&end_line=192

import Base

# As col.go, but each entry becomes the sum through it (in place).
def ins.go(+n: Nat, +at: U32, +step: U32, +s: U32, r: Array<U32> & U32) -> Array<U32>:
  match n:
    case 0n:
      (t, +x) = r
      t[at] <- (s + x : U32)
    case 1n+p:
      (t, +x) = r
      +v = (s + x : U32)
      +q = (at + step : U32)
      ins.go(p, q, step, v, (t[at] <- v)[q])

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=Array.set
  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