def vac
import bend-collections@1.0.0.0/src/containers/hash_table.bend as HashTableimport Base
387# A value array of 2^d vacant cells (Array.new needs Data values).
388def vac(a, -V: Kind(a), d: Nat) -> Array<Maybe<a, V>>:
389 match d:
390 case 0n:
391 ALeaf{None{}}
392 case 1n+ +p:
393 ANode{vac(a, V, p), vac(a, V, p)}