public MetricSystem(string name)
{
Name = name ?? throw new ArgumentNullException(nameof(name));
units = new HashSet <Unit>();
prefixes = new HashSet <MetricPrefix>();
MetricSystemManager.AddMetricSystem(this);
}
public MetricSystem(string name, IList <Unit> units)
{
Name = name ?? throw new ArgumentNullException(nameof(name));
FullName = null;
this.units = new HashSet <Unit>(units ?? throw new ArgumentNullException(nameof(units)));
prefixes = new HashSet <MetricPrefix>();
MetricSystemManager.AddMetricSystem(this);
}
