# subtract

Source: https://www.nianticspatial.com/docs/api/swift/NSDK.NSDKInputDataFlags.method-subtract/

subtract

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## Declaration

mutating func subtract(_ other: Self)

#### Summary

Removes the elements of the given set from this set.
In the following example, the elements of the employees set that are
also members of the neighbors set are removed. In particular, the
names "Bethany" and "Eric" are removed from employees.
    var employees: Set = ["Alicia", "Bethany", "Chris", "Diana", "Eric"]
    let neighbors: Set = ["Bethany", "Eric", "Forlani", "Greta"]
    employees.subtract(neighbors)
    print(employees)
    // Prints "["Diana", "Chris", "Alicia"]"

### Parameters

| Name | Type | Summary |
| --- | --- | --- |
| other | Self | A set of the same type as the current set. |

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