public bool SetEquals(ExprCollection <T> other)
{
//new HashSet<T>().Set;
if (Count != other.Count)
{
return(false);
}
var pQuery1 = this.OrderBy(e => e);
var pQuery2 = other.OrderBy(e => e);
var pEqual = pQuery1.SequenceEqual(pQuery2);
return(pEqual);
//var pQuery1 = this.OrderBy(e => e).GetEnumerator();
//var pQuery2 = other.OrderBy(e => e).GetEnumerator();
//var hasNext = pQuery1.MoveNext() && pQuery2.MoveNext();
//while (pQuery1.MoveNext() && pQuery2.MoveNext())
//{
// var pCmp = pQuery1.Current.CompareTo(pQuery2.Current);
// if (pCmp != 0)
// return false;
//}
//return true;
}
public int SetCompareTo(ExprCollection <T> other)
{
var pQuery1 = this.OrderBy(e => e).GetEnumerator();
var pQuery2 = other.OrderBy(e => e).GetEnumerator();
var hasNext1 = pQuery1.MoveNext();
var hasNext2 = pQuery2.MoveNext();
while (hasNext1 && hasNext2)
{
var pCmp = pQuery1.Current.CompareTo(pQuery2.Current);
if (pCmp == 0)
{
hasNext1 = pQuery1.MoveNext();
hasNext2 = pQuery2.MoveNext();
}
else
{
return(pCmp);
}
}
return((!hasNext1 && !hasNext2) ? 0 : (!hasNext1) ? -1 : 1);
}