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- import { ap as ap_ } from './Apply';
- import * as E from './Either';
- import { flow, pipe } from './function';
- import { map as map_ } from './Functor';
- export function right(F) {
- return flow(E.right, F.of);
- }
- export function left(F) {
- return flow(E.left, F.of);
- }
- export function rightF(F) {
- return function (fa) { return F.map(fa, E.right); };
- }
- export function leftF(F) {
- return function (fe) { return F.map(fe, E.left); };
- }
- export function fromNullable(F) {
- return function (e) { return flow(E.fromNullable(e), F.of); };
- }
- export function fromNullableK(F) {
- var fromNullableF = fromNullable(F);
- return function (e) {
- var fromNullableFE = fromNullableF(e);
- return function (f) { return flow(f, fromNullableFE); };
- };
- }
- export function chainNullableK(M) {
- var chainM = chain(M);
- var fromNullableKM = fromNullableK(M);
- return function (e) {
- var fromNullableKMe = fromNullableKM(e);
- return function (f) { return chainM(fromNullableKMe(f)); };
- };
- }
- export function map(F) {
- return map_(F, E.Functor);
- }
- export function ap(F) {
- return ap_(F, E.Apply);
- }
- export function chain(M) {
- return function (f) { return function (ma) { return M.chain(ma, function (e) { return (E.isLeft(e) ? M.of(e) : f(e.right)); }); }; };
- }
- export function alt(M) {
- return function (second) { return function (first) { return M.chain(first, function (e) { return (E.isLeft(e) ? second() : M.of(e)); }); }; };
- }
- export function bimap(F) {
- return function (f, g) { return function (fea) { return F.map(fea, E.bimap(f, g)); }; };
- }
- export function mapLeft(F) {
- return function (f) { return function (fea) { return F.map(fea, E.mapLeft(f)); }; };
- }
- export function altValidation(M, S) {
- return function (second) { return function (first) {
- return M.chain(first, E.match(function (e1) {
- return M.map(second(), E.mapLeft(function (e2) { return S.concat(e1, e2); }));
- }, right(M)));
- }; };
- }
- export function match(F) {
- return function (onLeft, onRight) { return function (ma) { return F.map(ma, E.match(onLeft, onRight)); }; };
- }
- export function matchE(M) {
- return function (onLeft, onRight) { return function (ma) { return M.chain(ma, E.match(onLeft, onRight)); }; };
- }
- export function getOrElse(M) {
- return function (onLeft) { return function (ma) { return M.chain(ma, E.match(onLeft, M.of)); }; };
- }
- export function orElse(M) {
- return function (onLeft) { return function (ma) { return M.chain(ma, function (e) { return (E.isLeft(e) ? onLeft(e.left) : M.of(e)); }); }; };
- }
- export function orElseFirst(M) {
- var orElseM = orElse(M);
- return function (onLeft) { return orElseM(function (e) { return M.map(onLeft(e), function (eb) { return (E.isLeft(eb) ? eb : E.left(e)); }); }); };
- }
- export function orLeft(M) {
- return function (onLeft) { return function (ma) {
- return M.chain(ma, E.match(function (e) { return M.map(onLeft(e), E.left); }, function (a) { return M.of(E.right(a)); }));
- }; };
- }
- export function swap(F) {
- return function (ma) { return F.map(ma, E.swap); };
- }
- export function toUnion(F) {
- return function (fa) { return F.map(fa, E.toUnion); };
- }
- /** @deprecated */
- /* istanbul ignore next */
- export function getEitherM(M) {
- var _ap = ap(M);
- var _map = map(M);
- var _chain = chain(M);
- var _alt = alt(M);
- var _bimap = bimap(M);
- var _mapLeft = mapLeft(M);
- var _fold = matchE(M);
- var _getOrElse = getOrElse(M);
- var _orElse = orElse(M);
- return {
- map: function (fa, f) { return pipe(fa, _map(f)); },
- ap: function (fab, fa) { return pipe(fab, _ap(fa)); },
- of: right(M),
- chain: function (ma, f) { return pipe(ma, _chain(f)); },
- alt: function (fa, that) { return pipe(fa, _alt(that)); },
- bimap: function (fea, f, g) { return pipe(fea, _bimap(f, g)); },
- mapLeft: function (fea, f) { return pipe(fea, _mapLeft(f)); },
- fold: function (fa, onLeft, onRight) { return pipe(fa, _fold(onLeft, onRight)); },
- getOrElse: function (fa, onLeft) { return pipe(fa, _getOrElse(onLeft)); },
- orElse: function (fa, f) { return pipe(fa, _orElse(f)); },
- swap: swap(M),
- rightM: rightF(M),
- leftM: leftF(M),
- left: left(M)
- };
- }
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