🧩 Maps each item and flattens the result.
Syntax
TypeScript
import { flatMapIter } from '@opentf/std'; flatMapIter<T, U>(iter: Iterable<T>, fn: (val: T) => Iterable<U>): IterableIterator<U>
Parameters
iter: The source iterable.fn: The mapper function returning iterables.
Returns
A new iterable iterator.
Examples
TypeScript
[...flatMapIter([1, 2], (x) => [x, x * 10])] //=> [1, 10, 2, 20]