operator prefix + { associativity precedence } Declarations prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In BinaryFloatingPoint, Numeric prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger prefix func +(_: Self) Returns the given number unchanged. You can use the unary plus operator (+) to provide symmetry in your code for positive numbers when also using the unary minus operator. let x = -21 let y = +21 // x == -21 // y == 21 Returns: The given argument without any changes. Declaration prefix func +(x: Self) -> Self Declared In FixedWidthInteger