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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/fp-ts/es6
Просмотр файла: FromEither.js
/**
* The `FromEither` type class represents those data types which support errors.
*
* @since 2.10.0
*/
import { tap } from './Chain';
import { flow } from './function';
import * as _ from './internal';
export function fromOption(F) {
return function (onNone) { return function (ma) { return F.fromEither(_.isNone(ma) ? _.left(onNone()) : _.right(ma.value)); }; };
}
export function fromPredicate(F) {
return function (predicate, onFalse) {
return function (a) {
return F.fromEither(predicate(a) ? _.right(a) : _.left(onFalse(a)));
};
};
}
export function fromOptionK(F) {
var fromOptionF = fromOption(F);
return function (onNone) {
var from = fromOptionF(onNone);
return function (f) { return flow(f, from); };
};
}
export function chainOptionK(F, M) {
var fromOptionKF = fromOptionK(F);
return function (onNone) {
var from = fromOptionKF(onNone);
return function (f) { return function (ma) { return M.chain(ma, from(f)); }; };
};
}
export function fromEitherK(F) {
return function (f) { return flow(f, F.fromEither); };
}
export function chainEitherK(F, M) {
var fromEitherKF = fromEitherK(F);
return function (f) { return function (ma) { return M.chain(ma, fromEitherKF(f)); }; };
}
export function chainFirstEitherK(F, M) {
var tapEitherM = tapEither(F, M);
return function (f) { return function (ma) { return tapEitherM(ma, f); }; };
}
export function filterOrElse(F, M) {
return function (predicate, onFalse) {
return function (ma) {
return M.chain(ma, function (a) { return F.fromEither(predicate(a) ? _.right(a) : _.left(onFalse(a))); });
};
};
}
/** @internal */
export function tapEither(F, M) {
var fromEither = fromEitherK(F);
var tapM = tap(M);
return function (self, f) { return tapM(self, fromEither(f)); };
}
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