sequency/lib/elementAtOrNull.js

Functional sequences for processing iterable data in JavaScript

Object.defineProperty(exports, "__esModule", { value: true });
exports.ElementAtOrNull = void 0;
var ElementAtOrNull = /** @class */ (function () {
    function ElementAtOrNull() {
    }
    /**
     * Returns the element at position `index` (zero-based) or `null` if `index`
     * is out of bounds.
     *
     * @param {number} index
     * @returns {T}
     */
    ElementAtOrNull.prototype.elementAtOrNull = function (index) {
        var i = 0;
        for (var item = this.iterator.next(); !item.done; item = this.iterator.next()) {
            if (i === index) {
                return item.value;
            }
            i++;
        }
        return null;
    };
    return ElementAtOrNull;
}());
exports.ElementAtOrNull = ElementAtOrNull;
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