AmlField.fld.count: def of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/aml_field.bend as AmlField
Lines 79-83 of bend-osdev-acpi@0.1.1.0/aml_field.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.1.0/aml_field.bend&start_line=79&end_line=83

import Base

def fld.count(+f: AmlFieldDesc) -> Nat:
  match f:
    case AmlFieldDesc{sp, base, rlen, +off, +bits, +flags}:
      +ub = Nat.mul(AmlField.unit(flags), 8n)
      Nat.sub(Nat.add(Nat.div(Nat.sub(Nat.add(off, bits), 1n), ub), 1n), Nat.div(off, ub))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.div
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/aml_field.bend&name=AmlField.unit
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/aml_field.bend&name=AmlFieldDesc