def count
import bend-collections@1.0.0.0/src/containers/bitlist.bend as Bitlistimport Base
import bend-collections@1.0.0.0/src/containers/dynamic_array.bend as D
217def count(s: Bitlist) -> Bitlist & Nat:
218 BL{+lim, +n, w} = s
219 count_len(lim, n, D.length(U32, w))