*=(_:_:)
Multiplies two values and stores the result in the left-hand-side variable.
static func *= (lhs: inout UInt64, rhs: UInt64)
Parameters
The product of the two arguments must be representable in the arguments’ type. In the following example, the result of 21 * 21
is greater than the maximum representable Int8
value:
var x: Int8 = 21
x * 21
// Overflow error