method Task.prototype.mapimport { Task } from "https://deno.land/x/eitherway@0.10.0/lib/async/mod.ts"; map<T2>(mapFn: (v: T) => T2 | PromiseLike<T2>): Task<T2, E>Type ParametersT2ParametersmapFn: (v: T) => T2 | PromiseLike<T2>ReturnsTask<T2, E>