Function flatten

Returns a 'flattened' copy of array, un-nesting arrays one level. Streaming: works with unlimited iterables.

flatten([1, [2, 3], [[4]]]);
// Yields: [1, 2, 3, [4]];

Param: it

flatten<V>(it: AsyncIterable<V | V[]>): AsyncIterable<V>
Type Parameters
- V
Parameters
- it: AsyncIterable<V | V[]>
Returns AsyncIterable<V>
flatten<V>(it: V[] | Iterable<V | V[], any, any>): Iterable<V>
Type Parameters
- V
Parameters
- it: V[] | Iterable<V | V[], any, any>
Returns Iterable<V>