LAWS.rsdp_checksum: law of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/LAWS.bend as LAWS
Lines 76-80 of bend-osdev-acpi@0.1.1.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.1.0/LAWS.bend&start_line=76&end_line=80

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
import bend-osdev-acpi@0.1.1.0/error.bend as E
import bend-osdev-acpi@0.1.1.0/checksum.bend as C
import bend-osdev-acpi@0.1.1.0/rsdp.bend as P

law rsdp_checksum:
  for +o: B.Octets
  for +r: P.AcpiRsdp
  for +e: {P.AcpiRsdp.parse(o) == Done{r} : Result<&2, &2, E.AcpiError, P.AcpiRsdp>}
  {C.AcpiChecksum.ok(B.Octets.take(20n, o)) == True{} : Bool}

Uses (12):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/PROOF.bend&name=done_t
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/PROOF.bend&name=rp1_d
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/checksum.bend&name=AcpiChecksum.ok
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/error.bend&name=AcpiError
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/rsdp.bend&name=AcpiRsdp
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/rsdp.bend&name=AcpiRsdp.parse
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.take