"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.ImmutableQueue = void 0;
// ets_tracing: off
require("../../Operator");
const L = __importStar(require("../../Collections/Immutable/List"));
const Tp = __importStar(require("../../Collections/Immutable/Tuple"));
const O = __importStar(require("../../Option"));
class ImmutableQueue {
    constructor(backing) {
        this.backing = backing;
    }
    push(a) {
        return new ImmutableQueue(L.append_(this.backing, a));
    }
    prepend(a) {
        return new ImmutableQueue(L.prepend_(this.backing, a));
    }
    get size() {
        return this.backing.length;
    }
    dequeue() {
        if (!L.isEmpty(this.backing)) {
            return O.some(Tp.tuple(
            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
            L.unsafeFirst(this.backing), new ImmutableQueue(L.tail(this.backing))));
        }
        else {
            return O.none;
        }
    }
    find(f) {
        return L.find_(this.backing, f);
    }
    filter(f) {
        return new ImmutableQueue(L.filter_(this.backing, f));
    }
    static single(a) {
        return new ImmutableQueue(L.of(a));
    }
    [Symbol.iterator]() {
        return L.toArray(this.backing).values();
    }
}
exports.ImmutableQueue = ImmutableQueue;
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