def W
import bend-kit-collections@0.1.4.1/PROOF.bend as PROOFimport Base
import bend-kit-collections@0.1.4.1/LAWS.bend as Laws
import bend-kit-collections@0.1.4.1/omap.bend as O
1199def W(-K: Data, -V: Data, t: O.OMap<K, V>) -> Nat:
1200 Laws.omap_weight(K, V, t)