public Fiat subtract(final Fiat value) {
checkArgument(value.currencyCode.equals(currencyCode));
return new Fiat(currencyCode, LongMath.checkedSubtract(this.value, value.value));
}
public Coin subtract(final Coin value) {
return new Coin(LongMath.checkedSubtract(this.value, value.value));
}