Function allWithConcurrency

allWithConcurrency<T, E>(
factories: readonly (() => ResultAsyncType<T, E>)[],
concurrency: number,
): ResultAsyncType<T[], E>
Run an array of async factories with bounded concurrency. Factories are invoked lazily so only up to concurrency run at once. Short-circuits on the first err — in-flight factories finish but no new ones start.

Factories must return a ResultAsync. If one rejects (rather than resolving to err), the rejection propagates and the overall promise rejects — wrap throwing code with fromPromise/fromAsync so failures become typed err values.
Type Parameters
- T
- E
Parameters
- factories: readonly (() => ResultAsyncType<T, E>)[]
- concurrency: number
Returns ResultAsyncType<T[], E>
Throws
RangeError if concurrency < 1.
Example
```
const factories = userIds.map(id =>
    () => fromPromise(fetchUser(id), e => ({ code: "LOAD", cause: e })),
  )
  const users = await allWithConcurrency(factories, 5)
```
- Defined in result-async/combine.ts:41