# union

Source: https://www.nianticspatial.com/docs/api/swift/NSDK.NSDKFeatureStatus.method-union/

union

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## Declaration

func union(_ other: Self) -> Self

#### Summary

Returns a new option set of the elements contained in this set, in the
given set, or in both.
This example uses the union(_:) method to add two more shipping options
to the default set.
    let defaultShipping = ShippingOptions.standard
    let memberShipping = defaultShipping.union([.secondDay, .priority])
    print(memberShipping.contains(.priority))
    // Prints "true"

#### Returns

A new option set made up of the elements contained in this
  set, in other, or in both.

### Parameters

| Name | Type | Summary |
| --- | --- | --- |
| other | Self | An option set. |

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