method AsyncIter.prototype.mapimport { AsyncIter } from "https://deno.land/x/asynciter@0.0.15/mod.ts"; map<U>(mapFn: (item: T) => U | Promise<U>): AsyncIter<U>Map the sequence from one type to another. Type ParametersUParametersmapFn: (item: T) => U | Promise<U>The mapping function. ReturnsAsyncIter<U>An iterable of mapped values.