Function concat

concat<T>(iterator, ...values): AsyncIterable<T>
The equivalent of Array.prototype.concat for async iterators.
Type Parameters
- T
Parameters
- iterator: AsyncIterable<T, any, any>
  The initial async iterator.
- Rest...values: (T | AsyncIterable<T, any, any> | Iterable<T, any, any>)[]
  The values to concatenate with the initial iterator.
Returns AsyncIterable<T>