ts-utls/dist/lib/src/typescript/monad/either.d.ts

Utilities for TypeScript library

import { Maybe } from '..';
export interface Either<E, T> {
    ap<V>(eitherFn: Either<E, (val: T) => V>): Either<E, V>;
    bind<V>(fn: (val: T) => Either<E, V>): Either<E, V>;
    flatMap<V>(fn: (val: T) => Either<E, V>): Either<E, V>;
    chain<V>(fn: (val: T) => Either<E, V>): Either<E, V>;
    join<V>(): Either<E, V>;
    map<V>(fn: (val: T) => V): Either<E, V>;
    takeLeft(m: Either<E, T>): Either<E, T>;
    takeRight(m: Either<E, T>): Either<E, T>;
    cata<Z>(leftFn: (err: E) => Z, rightFn: (val: T) => Z): Z;
    equals(other: Either<E, T>): boolean;
    fold<Z>(leftFn: (err: E) => Z, rightFn: (val: T) => Z): Z;
    leftMap<F>(fn: (leftVal: E) => F): Either<F, T>;
    swap(): Either<T, E>;
    isLeft(): boolean;
    isRight(): boolean;
    left(): E;
    right(): T;
    forEach(fn: (val: T) => void): void;
    forEachLeft(fn: (val: E) => void): void;
    toMaybe(): Maybe<T>;
    toPromise(): Promise<T>;
}
export declare const Either: <E, T>(val: T, isRightValue: boolean) => Either<E, T>;
export declare const Left: <E, T>(val: E) => Either<E, T>;
export declare const Right: <E, T>(val: T) => Either<E, T>;
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