Function NSDecimalPower 

pub unsafe extern "C-unwind" fn NSDecimalPower(
    result: NonNull<NSDecimal>,
    number: NonNull<NSDecimal>,
    power: NSUInteger,
    rounding_mode: NSRoundingMode,
) -> NSCalculationError

👎Deprecated:

renamed to NSDecimal::power

Available on crate feature NSDecimal only.