@typed/fp/cjs/State.js

Data Structures and Resources for fp-ts

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MonadRec = exports.ChainRec = exports.chainRec = void 0;
const tslib_1 = require("tslib");
const E = (0, tslib_1.__importStar)(require("fp-ts/Either"));
const S = (0, tslib_1.__importStar)(require("fp-ts/State"));
/**
 * @since 0.9.2
 * @category Combinator
 */
const chainRec = (f) => (value) => (s) => {
    let result = f(value)(s);
    while (E.isLeft(result[0])) {
        result = f(value)(result[1]);
    }
    return [result[0].right, result[1]];
};
exports.chainRec = chainRec;
/**
 * @since 0.9.2
 * @category Instance
 */
exports.ChainRec = {
    chainRec: exports.chainRec,
};
/**
 * @since 0.9.2
 * @category Instance
 */
exports.MonadRec = {
    ...S.Monad,
    chainRec: exports.chainRec,
};
(0, tslib_1.__exportStar)(require("fp-ts/State"), exports);
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