def purge_b
import bend-collections@1.0.0.0/src/containers/lru.bend as Lruimport Base
724def purge_b(a, -V: Kind(a), +cap: U32, +n: U32, ks: Array<String>, ents: Array<Maybe<a, V>>, lk: Array<U32>, r: Array<U32> & U32) -> LRU<a, V> & U32:
725 (m2, +bits) = r
726 (F{cap, 0, 0, 0, 0, zero_ctrs(m2), Array.new(U32, U32.to_nat(U32.inc(bits)), 0), ks, ents, lk}, n)