/// <summary>
/// Realiza a união com o conjunto informado.
/// </summary>
/// <param name="ses"></param>
/// <returns></returns>
public StringExpressionSet Union(StringExpressionSet ses)
{
if ((ses == null) || ses.IsEmpty())
{
return(this.Copy());
}
if (this.IsEmpty())
{
return(ses.Copy());
}
this.CheckList();
ses.CheckList();
StringExpressionSet set = (ses._list.Count > _list.Count) ? ses : this;
StringExpressionSet set2 = (ses._list.Count <= _list.Count) ? ses : this;
StringExpressionSet set3 = set.Copy();
set3.Reduce();
for (int i = 0; i < set2._list.Count; i++)
{
set3.AddSingleExpressionNoDuplicates(set2._list[i]);
}
set3.GenerateString();
return(set3);
}