function map.lookupWithKeyimport { map } from "https://deno.land/x/fun@v2.0.0/mod.ts"; const { lookupWithKey } = map; lookupWithKey<K>(S: Comparable<K>): (k: K) => <A>(ta: ReadonlyMap<K, A>) => Option<[K, A]>Type ParametersKParametersS: Comparable<K>Returns(k: K) => <A>(ta: ReadonlyMap<K, A>) => Option<[K, A]>