class Left extends EitherFunctor<TL>import { Left } from "https://deno.land/x/careful@v0.0.4-alpha/mod.ts"; ConstructorsnewLeft(left: TL, trackId?: number | null)Type ParametersTLMethodsextract(): TLextractLeft(): TLextractRight()map<KL>(cb: (value: TL) => KL): Left<KL>mapLeft<KL>(cb: (n: TL) => KL): Left<KL>mapRight()Static Methodsis(entity: Either<unknown, unknown>): booleanit<T>(value: T): Left<T>