def OMap.keys.go
import bend-kit-collections@0.1.4.1/omap.bend as Omapimport Base
202def OMap.keys.go(
203 -K: Data, -V: Data, m: OMap<K, V>, acc: List<&2, K>
204) -> List<&2, K>:
205 match m:
206 case OTip{}:
207 acc
208 case OBin{s, k, v, lo, hi}:
209 OMap.keys.go(K, V, lo, k <> OMap.keys.go(K, V, hi, acc))