Function forEach

forEach<T>(it, fn, options?): undefined | Promise<void>
Execute function f for each item in iterable. If f returns false, iteration stops.
```
forEach(iterable, v => {
 // do something with value
});
```
When using an async iterable, fn can also be async.
Type Parameters
- T
Parameters
- it: T[] | AsyncIterable<T> | Iterable<T>
  Iterable or array
- fn: ((v: undefined | T) =>
      | boolean
      | void
      | Promise<void>
      | Promise<boolean>)
  Function to execute
  - - (v):
          | boolean
          | void
          | Promise<void>
          | Promise<boolean>
    - Parameters
      v: undefined | T
      Returns
          | boolean
          | void
          | Promise<void>
          | Promise<boolean>
- options: Partial<ForEachOptions> = {}
Returns undefined | Promise<void>