PROOF.rx4: def of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/PROOF.bend as PROOF
Lines 2470-2476 of bend-osdev-acpi@0.1.1.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.1.0/PROOF.bend&start_line=2470&end_line=2476

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
import bend-osdev-acpi@0.1.1.0/rsdp.bend as P

def rx4(+b: Bool, +o: B.Octets, +r: P.AcpiRsdp, +ok20: {C.AcpiChecksum.ok(B.Octets.take(20n, o)) == True{} : Bool}, +e: {P.rs.p4(b, o) == Done{r} : Result<&2, &2, E.AcpiError, P.AcpiRsdp>}) -> {C.AcpiChecksum.ok(B.Octets.take(P.AcpiRsdp.checked(r), o)) == True{} : Bool}:
  match b:
    case True{}:
      %done_inj(P.AcpiRsdp, P.AcpiRsdp{F.AcpiF.bytes(o, 9n, 6n), F.AcpiF.u8(o, 15n), F.AcpiF.u32(o, 16n), None{}}, r, e) : {C.AcpiChecksum.ok(B.Octets.take(P.AcpiRsdp.checked(_), o)) == True{} : Bool}
      ok20
    case False{}:
      rx5(Nat.is_le(36n, B.Octets.len(o)), o, r, e)

Uses (17):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  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_inj
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/PROOF.bend&name=rx5
  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/fields.bend&name=AcpiF.bytes
  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-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=AcpiRsdp.checked
  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.len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.take