Instance MethodSwift

subtractingReportingOverflow(_:)

Returns the difference obtained by subtracting the given value from this value, along with a Boolean value indicating whether overflow occurred in the operation.

func subtractingReportingOverflow(_ other: Int) -> (partialValue: Int, overflow: Bool)

Parameters

rhs

The value to subtract from this value.

Returns

A tuple containing the result of the subtraction along with a Boolean value indicating whether overflow occurred. If the overflow component is false, the partialValue component contains the entire difference. If the overflow component is true, an overflow occurred and the partialValue component contains the truncated result of rhs subtracted from this value.