class Just extends Functor<T>import { Just } from "https://deno.land/x/careful@v0.0.4-alpha/src/Maybe.ts"; ConstructorsnewJust(value: T, trackId?: number | null)Type ParametersTMethodsamap<K>(cb: (n: T) => Promise<K>): Promise<Just<K>>extract(): Tmap<K>(cb: (n: T) => K): Just<K>Static Methodsis(entity: Maybe<unknown>): booleanit<T>(value: T): Just<T>