def c1_ok

bend-osdev-acpi@0.1.1.0 · PROOF.bend:2366

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/header.bend as H
import bend-osdev-acpi@0.1.1.0/checksum.bend as C

2366def c1_ok(+m: Maybe<&2, U32>, +o: B.Octets, +raw: B.Octets, +e: {H.sdt.c1(m, o) == Done{raw} : Result<&2, &2, E.AcpiError, B.Octets>}) -> {C.AcpiChecksum.ok(raw) == True{} : Bool}:
2367  match m:
2368    case None{}:
2369      Empty.absurd({C.AcpiChecksum.ok(raw) == True{} : Bool}, fd_absurd(B.Octets, E.AcpiTooShort{36n, B.Octets.len(o)}, raw, e))
2370    case Some{l}:
2371      c2_ok(Bool.and(Nat.is_le(36n, U32.to_nat(l)), Nat.is_le(U32.to_nat(l), B.Octets.len(o))), l, o, raw, e)