"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.unfold = exports.unfold_ = void 0;
const tracing_1 = __importStar(require("../../../../Tracing"));
const fileName_1 = "(@effect-ts/system): _src/Collections/Immutable/Chunk/api/unfold.ts";
const O = __importStar(require("../../../../Option"));
const core_1 = require("../core");
/**
 * Constructs a `Chunk` by repeatedly applying the function `f` as long as it
 * returns `Some`.
 */
function unfold_(s, f) {
    let builder = (0, core_1.empty)();
    let cont = true;
    let s1 = s;
    while (cont) {
        const x = f(s1);
        if (O.isSome(x)) {
            s1 = x[1];
            builder = (0, core_1.append_)(builder, x[0]);
        }
        else {
            cont = false;
        }
    }
    return builder;
}
exports.unfold_ = unfold_;
/**
 * Constructs a `Chunk` by repeatedly applying the function `f` as long as it
 * returns `Some`.
 *
 * @ets_data_first unfold_
 */
function unfold(f) {
    return (s) => unfold_(s, f);
}
exports.unfold = unfold;
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