import { IIterator, IterableOrArrayLike } from './iter'; /** * Enumerate an iterable object. * * @param object - The iterable or array-like object of interest. * * @param start - The starting enum value. The default is `0`. * * @returns An iterator which yields the enumerated values. * * #### Example * ```typescript * import { enumerate, toArray } from '@lumino/algorithm'; * * let data = ['foo', 'bar', 'baz']; * * let stream = enumerate(data, 1); * * toArray(stream); // [[1, 'foo'], [2, 'bar'], [3, 'baz']] * ``` */ export declare function enumerate(object: IterableOrArrayLike, start?: number): IIterator<[number, T]>; /** * An iterator which enumerates the source values. */ export declare class EnumerateIterator implements IIterator<[number, T]> { /** * Construct a new enumerate iterator. * * @param source - The iterator of values of interest. * * @param start - The starting enum value. */ constructor(source: IIterator, start: number); /** * Get an iterator over the object's values. * * @returns An iterator which yields the object's values. */ iter(): IIterator<[number, T]>; /** * Create an independent clone of the iterator. * * @returns A new independent clone of the iterator. */ clone(): IIterator<[number, T]>; /** * Get the next value from the iterator. * * @returns The next value from the iterator, or `undefined`. */ next(): [number, T] | undefined; private _source; private _index; } //# sourceMappingURL=enumerate.d.ts.map