Operatorswift 6.0.1Swift

    +(_:_:)

    Adds two values and produces their sum.

    static func + (lhs: UInt64, rhs: UInt64) -> UInt64
    Mangled symbol

    ss6UInt64V1poiyA2B_ABtFZWhat are these?

    FNV24: [1VY79]

    Parameters

    lhs

    The first value to add.

    rhs

    The second value to add.

    The addition operator (+) calculates the sum of its two arguments. For example:

    1 + 2                   // 3
-10 + 15                // 5
-15 + -5                // -20
21.5 + 3.25             // 24.75

    You cannot use + with arguments of different types. To add values of different types, convert one of the values to the other value’s type.

    let x: Int8 = 21
let y: Int = 1000000
Int(x) + y              // 1000021

    The sum of the two arguments must be representable in the arguments’ type. In the following example, the result of 21 + 120 is greater than the maximum representable Int8 value:

    x + 120                 // Overflow error

    If you want to opt out of overflow checking and wrap the result in case of any overflow, use the overflow addition operator (&+).

    x &+ 120                // -115

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