&=(_:_:)

lhs: An integer value.
rhs: Another integer value.

Stores the result of performing a bitwise AND operation on the two given values in the left-hand-side variable.

Declaration

static func &= (lhs: inout Int32, rhs: Int32)

A bitwise AND operation results in a value that has each bit set to 1 where both of its arguments have that bit set to 1. For example:

var x: UInt8 = 5          // 0b00000101
let y: UInt8 = 14         // 0b00001110
x &= y                    // 0b00000100