Function Flatten

docs/app/js/sanddance-app.js:117349–117351

* Flattens array-typed field values into new data objects. * If multiple fields are specified, they are treated as parallel arrays, * with output values included for each matching index (or null if missing). * @constructor * @param {object} params - The parameters for this operator. * @param {A

(params)

 *   array fields. Any unspecified fields will use the field name provided
 *   by the fields accessors.
 */ function Flatten(params) {
    (0, _vegaDataflow.Transform).call(this, [], params);
}
Flatten.Definition = {
    "type": "Flatten",
    "metadata": {