linqcontainers/build/src/Iterators.js

Linq-Collections (ES5): [IEnumerable, IQueryable, ...] + [List, Dictionary, Stack, ... + readonly]

"use strict";
/*
 * Created by Ivan Sanz (@isc30)
 * Copyright © 2017 Ivan Sanz Carasa. All rights reserved.
*/
Object.defineProperty(exports, "__esModule", { value: true });
/* ES6 compatibility layer :D
interface IteratorResult<T>
{
    done: boolean;
    value: T;
}

interface Iterator<T>
{
    next(value?: any): IteratorResult<T>;
    return?(value?: any): IteratorResult<T>;
    throw?(e?: any): IteratorResult<T>;
}*/
var ArrayIterator = /** @class */ (function () {
    function ArrayIterator(source) {
        this.source = source;
        this.reset();
    }
    ArrayIterator.prototype.copy = function () {
        return new ArrayIterator(this.source);
    };
    ArrayIterator.prototype.reset = function () {
        this._index = -1;
    };
    ArrayIterator.prototype.isValidIndex = function () {
        return this._index >= 0 && this._index < this.source.length;
    };
    ArrayIterator.prototype.next = function () {
        ++this._index;
        return this.isValidIndex();
    };
    ArrayIterator.prototype.value = function () {
        if (!this.isValidIndex()) {
            throw new Error("Out of bounds");
        }
        return this.source[this._index];
    };
    return ArrayIterator;
}());
exports.ArrayIterator = ArrayIterator;
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