ts-cast/lib/helpers/either-light.d.ts

Runtime typechecking

export type Left<E> = [undefined, E];
export type Right<T> = [T];
export type Either<E, T> = Left<E> | Right<T>;
export declare const Left: <E>(error: E) => Left<E>;
export declare const Right: <T>(value: T) => Right<T>;