def h.get_leaf

bend-kit-collections@0.1.4.1 · PROOF.bend:2791

import Base
import bend-kit-collections@0.1.4.1/hmap.bend as M

2791def h.get_leaf(
2792  ~K: Data, ~V: Data, ~eq: K -> K -> Bool, +n: Nat, +mask: U32, +o: U32,
2793  xs: List<&2, M.Entry<K, V>>, +hk: U32, +k: K
2794) -> {h.G(~K, ~V, ~eq, n, mask, M.HLeaf{o, xs}, hk, k)
2795      == h.G(~K, ~V, ~eq, n, mask, M.HMap.leaf(K, V, o, xs), hk, k) : Maybe<&2, V>}:
2796  match xs:
2797    case Nil{}:
2798      h.g_nil_leaf(~K, ~V, ~eq, n, mask, o, hk, k)
2799    case Con{e, rest}:
2800      {==}