UNPKG

@reactivex/ix-es5-esm

Version:

The Interactive Extensions for JavaScript

11 lines (10 loc) 618 B
/** * Returns the element at a specified index in a sequence or undefined if the index is out of range. * * @template T The type of the elements in the source sequence. * @param {Iterable<T>} source iterable sequence to return the element from. * @param {number} index The zero-based index of the element to retrieve. * @returns {(T | undefined)} An iterable sequence that produces the element at the specified * position in the source sequence, or undefined if the index is outside the bounds of the source sequence. */ export declare function elementAt<T>(source: Iterable<T>, index: number): T | undefined;