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OperatorFoundationEssentials

-=(_:_:)

iOS 8.0+ iPadOS 8.0+ Mac Catalyst 8.0+ macOS 10.10+ tvOS 9.0+ watchOS 2.0+
Subtracts one decimal number from another, storing the result in the first number.
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.