Function flatten

flatten<Iter, V>(iter): CondIt<Iter, It<V>, AIt<V>>
Flattens one level the passed-in nested iterable.
Type Parameters
- Iter extends AnyIt<It<V>>
- V = AnyItItV<Iter>
Parameters
- iter: Iter
Returns CondIt<Iter, It<V>, AIt<V>>
Example
```
// Returns an Iterable representing [1, 2, 3]
it.flatten([[1], [2], [3]])
```
- Defined in src/operators/flatten.ts:17