The iterable object of interest.
The starting enum value. The default is 0
.
An iterator which yields the enumerated values.
import { enumerate } from '@lumino/algorithm';
let data = ['foo', 'bar', 'baz'];
let stream = enumerate(data, 1);
Array.from(stream); // [[1, 'foo'], [2, 'bar'], [3, 'baz']]
Enumerate an iterable object.