public override bool Equals(object obj)
{
SingleLL that = (SingleLL)obj;
if (IsEmpty() && that.IsEmpty())
{
return(true);
}
if (IsEmpty() || that.IsEmpty())
{
return(false);
}
Node currThis = root;
Node currThat = that.root;
while (currThis != null || currThat != null)
{
if (currThis == null)
{
return(false);
}
if (currThat == null)
{
return(false);
}
if (currThis.val != currThat.val)
{
return(false);
}
currThis = currThis.next;
currThat = currThat.next;
}
return(true);
}
public static bool IsNullOrEmpty(SingleLL theList)
{
return(theList == null || theList.IsEmpty());
}
