Rsdp.rs.p3: def of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/rsdp.bend as Rsdp
Lines 108-113 of bend-osdev-acpi@0.1.1.0/rsdp.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.1.0/rsdp.bend&start_line=108&end_line=113

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/fields.bend as F

def rs.p3(ok: Bool, +o: B.Octets) -> Result<&2, &2, E.AcpiError, AcpiRsdp>:
  match ok:
    case False{}:
      Fail{E.AcpiRsdpBadChecksum{C.AcpiChecksum.sum(B.Octets.take(20n, o))}}
    case True{}:
      rs.p4(U32.is_lt(F.AcpiF.u8(o, 15n), 2), 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=Base/base.bend&name=U32.is_lt
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/checksum.bend&name=AcpiChecksum.sum
  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/fields.bend&name=AcpiF.u8
  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=rs.p4
  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