## typed()


Return schema-derived [Dataset](Dataset.md#graphique.Dataset) instance for `source`.


Usage

``` python
typed(
    source,
    name="",
    keys=(),
)
```


## Parameters

| Name | Type | Description | Default |
|----|----|----|----|
| source |  | ibis table or arrow dataset | \- |
| name |  | optional name of the dataset, prefixed to the type names | \- |
| keys |  | keys for federation | \- |