function map.popimport { map } from "https://deno.land/x/fun@v2.0.0/mod.ts"; const { pop } = map; pop<B>(S: Comparable<B>): (b: B) => <A>(ta: ReadonlyMap<B, A>) => Option<[A, ReadonlyMap<B, A>]>Type ParametersBParametersS: Comparable<B>Returns(b: B) => <A>(ta: ReadonlyMap<B, A>) => Option<[A, ReadonlyMap<B, A>]>