public DistanceUnit(double magnitude, DistanceUnitName name)
{
var unit = _units.FirstOrDefault(x => x.Item2 == name);
this._unit = unit ?? throw new ArgumentException("name is invalid.", nameof(name));
Magnitude = magnitude;
}
public void ConvertTo(DistanceUnitName name)
{
var unit = _units.FirstOrDefault(x => x.Item2 == name) ?? throw new ArgumentException("name is invalid.", nameof(name));
var currentWeight = Weight;
var newWeight = unit.Item3;
Magnitude = (currentWeight / newWeight) * Magnitude;
_unit = unit;
}
