Checksum.ck.sum.go: def of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/checksum.bend as Checksum
Lines 7-13 of bend-osdev-acpi@0.1.1.0/checksum.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.1.0/checksum.bend&start_line=7&end_line=13

import Base

# the sum of the bytes, modulo 2^32 (tail-recursive)
def ck.sum.go(xs: List<&2, U32>, acc: U32) -> U32:
  match xs:
    case Nil{}:
      acc
    case Con{h, t}:
      ck.sum.go(t, U32.add(acc, U32.and(255, h)))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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=Base/base.bend&name=U32.and