Class

NSNull

A singleton object used to represent null values in collection objects that don’t allow nil values.

Declaration

class NSNull : NSObject

Overview

NSNull is “toll-free bridged” with its Core Foundation counterpart, CFNull. See Toll-Free Bridging for more information on toll-free bridging.

See Also

Special Semantic Values

let NSNotFound: Int

A value indicating that a requested item couldn’t be found or doesn’t exist.

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