def bs.none0

bend-osdev-algo@0.1.0.0 · PROOF.bend:1186

import Base
import bend-osdev-algo@0.1.0.0/bsearch.bend as S

1186def bs.none0(c: Bool, +x0: U32, +key: U32, ec: {U32.is_lt(x0, key) == c : Bool}, +t: List<&2, U32>, +r: Nat, e: {S.bsearch.find.check(S.bsearch.below.step(c, r), List.get(&2, U32, Con{x0, t}, S.bsearch.below.step(c, r)), key) == None{} : Maybe<&2, Nat>}) -> {U32.is_eq(x0, key) == False{} : Bool}:
1187  match c:
1188    case True{}:
1189      u32.lt_ne(x0, key, ec)
1190    case False{}:
1191      bs.hit_none(U32.is_eq(x0, key), 0n, e)