StorageRefinement.sequence_missing: def of stelliferous@0.0.2.0
Import: import stelliferous@0.0.2.0/proofs/storage_refinement.bend as StorageRefinement
Lines 284-293 of stelliferous@0.0.2.0/proofs/storage_refinement.bend: https://jend.leeeet.dev/read.txt?path=stelliferous@0.0.2.0/proofs/storage_refinement.bend&start_line=284&end_line=293

import Base
import stelliferous@0.0.2.0/proofs/storage_tree_model.bend as Tree
import stelliferous@0.0.2.0/proofs/word_encoding.bend as WordEncoding

def sequence_missing(~Element: Data,+count: Nat,+offset: U32,+tree: Tree.Tree<Element>,+index: Nat,
  outside: {Nat.is_lt(index,count) == False{} : Bool}) ->
  {List.get(&2,Element,Tree.read_sequence(~Element,count,offset,tree),index) == None{} : Maybe<&2,Element>}:
  match count index:
    case 0n index: {==}
    case 1n+rest 0n:
      Empty.absurd({Some{Tree.read(Element,tree,offset)} == None{} : Maybe<&2,Element>},
        WordEncoding.false_true(Equal.sym(Bool,True{},False{},outside)))
    case 1n+rest 1n+previous:
      sequence_missing(~Element,rest,(offset + 1 : U32),tree,previous,outside)

Uses (13):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/storage_tree_model.bend&name=Tree
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/storage_tree_model.bend&name=read
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/storage_tree_model.bend&name=read_sequence
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/word_encoding.bend&name=false_true