public BeginPostReport(int iteration,
IEnumerable <T> symbolSet)
{
if (symbolSet == null)
{
throw new ArgumentNullException(nameof(symbolSet));
}
SymbolSet = symbolSet.ToSortedSet().AsReadOnly();
if (SymbolSet.AnyNull())
{
throw new ArgumentException(_AtLeastOneSymbolIsNullMessage, nameof(symbolSet));
}
Iteration = iteration;
}
public Union(IEnumerable <Entity> entities)
{
if (entities == null)
{
throw new ArgumentNullException(nameof(entities));
}
EntityCollection = new SortedSet <Entity>(entities).AsReadOnly();
if (EntityCollection.AnyNull())
{
throw new ArgumentException("There are null items in collection.");
}
if (EntityCollection.Count < 2)
{
throw new ArgumentException("Union must have at least two items.");
}
_Variables = new Lazy <IReadOnlySet <Variable> >(() => CollectVariables(EntityCollection));
}