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mutableCopy(with:)

Returns a new instance that’s a mutable copy of the receiver.

Declaration

func mutableCopy(with zone: NSZone? = nil) -> Any

Parameters

  • zone:

    This parameter is ignored. Memory zones are no longer used by Objective-C.

Discussion

The returned object is implicitly retained by the sender, which is responsible for releasing it. The copy returned is mutable whether the original is mutable or not.

See Also

Related Documentation