Normalizes data that is a rest parameter or an array into an array with a depth of 1.
| Name | Constraints | Optional | Default | Description |
|---|---|---|---|---|
| ItemType | No | The data that must satisfy RestOrArray. |
| Name | Type | Optional | Description |
|---|---|---|---|
| arr | RestOrArray<ItemType> | No | The (possibly variadic) data to normalize |