prefix operator prefix ++ { associativity precedence } Declarations prefix func ++(inout: Double) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout rhs: Double) -> Double prefix func ++(inout: Float) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout rhs: Float) -> Float prefix func ++(inout: Float80) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout rhs: Float80) -> Float80 prefix func ++(inout: Int) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: Int) -> Int prefix func ++(inout: Int8) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: Int8) -> Int8 prefix func ++(inout: Int16) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: Int16) -> Int16 prefix func ++(inout: Int32) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: Int32) -> Int32 prefix func ++(inout: Int64) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: Int64) -> Int64 prefix func ++(inout: UInt) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: UInt) -> UInt prefix func ++(inout: UInt8) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: UInt8) -> UInt8 prefix func ++(inout: UInt16) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: UInt16) -> UInt16 prefix func ++(inout: UInt32) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: UInt32) -> UInt32 prefix func ++(inout: UInt64) Deprecated: it will be removed in Swift 3. Declaration prefix func ++(inout x: UInt64) -> UInt64 prefix func ++ <T : _Incrementable>(inout: T) Replace i with its successor() and return the updated value of i. Deprecated: it will be removed in Swift 3. Declaration prefix func ++<T : _Incrementable>(inout i: T) -> T