Facs.facs.p1: def of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/facs.bend as Facs
Lines 41-46 of bend-osdev-acpi@0.1.1.0/facs.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.1.0/facs.bend&start_line=41&end_line=46

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

def facs.p1(ok: Bool, +o: B.Octets) -> Result<&2, &2, E.AcpiError, AcpiFacs>:
  match ok:
    case False{}:
      Fail{E.AcpiTooShort{64n, B.Octets.len(o)}}
    case True{}:
      facs.p2(B.Octets.is_eq(B.Octets.take(4n, o), B.Octets.of_string("FACS")), o)

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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/error.bend&name=AcpiError
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/facs.bend&name=AcpiFacs
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/facs.bend&name=facs.p2
  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.is_eq
  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.of_string
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.take