# formIntersection Source: https://www.nianticspatial.com/docs/api/swift/NSDK.NSDKInputDataFlags.method-formIntersection/ formIntersection --- ## Declaration mutating func formIntersection(_ other: Self) #### Summary Removes all elements of this option set that are not also present in the given set. This method is implemented as a & (bitwise AND) operation on the two sets' raw values. ### Parameters | Name | Type | Summary | | --- | --- | --- | | other | Self | An option set. | ---