Facs.facs.p2: def of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/facs.bend as Facs
Lines 33-39 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=33&end_line=39

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/fields.bend as F

def facs.p2(ok: Bool, +o: B.Octets) -> Result<&2, &2, E.AcpiError, AcpiFacs>:
  match ok:
    case False{}:
      Fail{E.AcpiBadSignature{B.Octets.take(4n, o)}}
    case True{}:
      +l = F.AcpiF.u32(o, 4n)
      facs.p3(Nat.is_le(64n, U32.to_nat(l)), l, 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=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  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.p3
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/fields.bend&name=AcpiF.u32
  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.take