public object CompareTo(object other)
{
IDictionary <object, object> oth = other as IDictionary <object, object>;
// CompareTo is allowed to throw (string, int, etc... all do it if they don't get a matching type)
if (oth == null)
{
object len, iteritems;
if (!Ops.TryGetAttr(other, SymbolTable.Length, out len) ||
!Ops.TryGetAttr(other, SymbolTable.StringToId("iteritems"), out iteritems))
{
return(Ops.NotImplemented);
}
// user-defined dictionary...
int lcnt = this.Count;
int rcnt = Converter.ConvertToInt32(Ops.Call(len));
if (lcnt != rcnt)
{
return(lcnt > rcnt ? 1 : -1);
}
return(DictOps.CompareToWorker(this, rcnt, new List(Ops.Call(iteritems))));
}
return(DictOps.CompareTo(this, oth));
}
int IComparable.CompareTo(object obj)
{
IDictionary <object, object> other = obj as IDictionary <object, object>;
// CompareTo is allowed to throw (string, int, etc... all do it if they don't get a matching type)
if (other == null)
{
throw Ops.TypeError("CompareTo argument must be a Dictionary");
}
return(DictOps.CompareTo(this, other));
}