public Quantity(Unit unit, Fraction amount)
{
if (unit == null) throw new ArgumentNullException(nameof(unit));
if (amount == null) throw new ArgumentNullException(nameof(amount));
if (unit.RequiresIntegerAmount && !amount.IsInteger)
{
throw new ArgumentException($"Cannot have a fractionary amount of {unit.Name}", nameof(unit));
}
Unit = unit;
Amount = amount;
}
public Quantity(Unit unit, int fractionNumerator, int fractionDenominator = 1)
: this(unit, new Fraction(fractionNumerator, fractionDenominator))
{
}
