-=(_:_:)
Subtracts one decimal number from another, storing the result in the first number.
Declaration
static func -= (lhs: inout Decimal, rhs: Decimal)Parameters
- lhs:
The value to subtract from.
- rhs:
The value to subtract.
Discussion
If the result of this operation requires more precision than the Decimal type can provide, the result is rounded using the NSDecimalNumber.RoundingMode.plain rounding mode. To specify a different rounding mode, use the NSDecimalSubtract(_:_:_:_:) function instead.