PROOFTables.tb.elen: def of bend-osdev-acpi@0.1.1.0
Import: import bend-osdev-acpi@0.1.1.0/PROOF_tables.bend as PROOFTables
Lines 78-94 of bend-osdev-acpi@0.1.1.0/PROOF_tables.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-acpi@0.1.1.0/PROOF_tables.bend&start_line=78&end_line=94

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
import bend-osdev-bytes@0.1.1.0/LAWS.bend as BL
import bend-osdev-acpi@0.1.1.0/header.bend as H

def tb.elen(+s: B.Octets, +l: U32, +r: U32, +c: U32, +o: B.Octets, +t: B.Octets, +orv: U32, +ci: B.Octets, +cr: U32, +sig4: {B.Octets.len(s) == 4n : Nat}, +oem6: {B.Octets.len(o) == 6n : Nat}, +tid8: {B.Octets.len(t) == 8n : Nat}, +cid4: {B.Octets.len(ci) == 4n : Nat}) -> {B.Octets.len(H.AcpiHeader.encode(H.AcpiHeader{s, l, r, c, o, t, orv, ci, cr})) == 36n : Nat}:
  %tb.la(s, B.Octets.append(B.Octets.le32(l), B.Octets.append(H.hd.byte(r), B.Octets.append(H.hd.byte(c), B.Octets.append(o, B.Octets.append(t, B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr))))))))) : {_ == 36n : Nat}
  %Equal.sym(Nat, B.Octets.len(s), 4n, sig4) : {Nat.add(_, B.Octets.len(B.Octets.append(B.Octets.le32(l), B.Octets.append(H.hd.byte(r), B.Octets.append(H.hd.byte(c), B.Octets.append(o, B.Octets.append(t, B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr)))))))))) == 36n : Nat}
  %tb.la(B.Octets.le32(l), B.Octets.append(H.hd.byte(r), B.Octets.append(H.hd.byte(c), B.Octets.append(o, B.Octets.append(t, B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr)))))))) : {Nat.add(4n, _) == 36n : Nat}
  %Equal.sym(Nat, B.Octets.len(B.Octets.le32(l)), 4n, BL.octets_len_le32(l)) : {Nat.add(4n, Nat.add(_, B.Octets.len(B.Octets.append(H.hd.byte(r), B.Octets.append(H.hd.byte(c), B.Octets.append(o, B.Octets.append(t, B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr)))))))))) == 36n : Nat}
  %tb.la(H.hd.byte(r), B.Octets.append(H.hd.byte(c), B.Octets.append(o, B.Octets.append(t, B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr))))))) : {Nat.add(8n, _) == 36n : Nat}
  %tb.la(H.hd.byte(c), B.Octets.append(o, B.Octets.append(t, B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr)))))) : {Nat.add(9n, _) == 36n : Nat}
  %tb.la(o, B.Octets.append(t, B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr))))) : {Nat.add(10n, _) == 36n : Nat}
  %Equal.sym(Nat, B.Octets.len(o), 6n, oem6) : {Nat.add(10n, Nat.add(_, B.Octets.len(B.Octets.append(t, B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr))))))) == 36n : Nat}
  %tb.la(t, B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr)))) : {Nat.add(16n, _) == 36n : Nat}
  %Equal.sym(Nat, B.Octets.len(t), 8n, tid8) : {Nat.add(16n, Nat.add(_, B.Octets.len(B.Octets.append(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr)))))) == 36n : Nat}
  %tb.la(B.Octets.le32(orv), B.Octets.append(ci, B.Octets.le32(cr))) : {Nat.add(24n, _) == 36n : Nat}
  %Equal.sym(Nat, B.Octets.len(B.Octets.le32(orv)), 4n, BL.octets_len_le32(orv)) : {Nat.add(24n, Nat.add(_, B.Octets.len(B.Octets.append(ci, B.Octets.le32(cr))))) == 36n : Nat}
  %tb.la(ci, B.Octets.le32(cr)) : {Nat.add(28n, _) == 36n : Nat}
  %Equal.sym(Nat, B.Octets.len(ci), 4n, cid4) : {Nat.add(28n, Nat.add(_, B.Octets.len(B.Octets.le32(cr)))) == 36n : Nat}
  %Equal.sym(Nat, B.Octets.len(B.Octets.le32(cr)), 4n, BL.octets_len_le32(cr)) : {Nat.add(32n, _) == 36n : Nat}
  {==}

Uses (13):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/PROOF_tables.bend&name=tb.la
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/header.bend&name=AcpiHeader
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/header.bend&name=AcpiHeader.encode
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-acpi@0.1.1.0/header.bend&name=hd.byte
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/LAWS.bend&name=octets_len_le32
  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.append
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.le32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=Octets.len