--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lphobos/std/typeinfounsupported/ti_AC.d	Sat Sep 01 21:43:27 2007 +0200
@@ -0,0 +1,92 @@
+module std.typeinfo.ti_AC;
+
+// Object[]
+
+class TypeInfo_AC : TypeInfo
+{
+    hash_t getHash(void *p)
+    {	Object[] s = *cast(Object[]*)p;
+	hash_t hash = 0;
+
+	foreach (Object o; s)
+	{
+	    if (o)
+		hash += o.toHash();
+	}
+	return hash;
+    }
+
+    int equals(void *p1, void *p2)
+    {
+	Object[] s1 = *cast(Object[]*)p1;
+	Object[] s2 = *cast(Object[]*)p2;
+
+	if (s1.length == s2.length)
+	{
+	    for (size_t u = 0; u < s1.length; u++)
+	    {	Object o1 = s1[u];
+		Object o2 = s2[u];
+
+		// Do not pass null's to Object.opEquals()
+		if (o1 is o2 ||
+		    (!(o1 is null) && !(o2 is null) && o1.opEquals(o2)))
+		    continue;
+		return 0;
+	    }
+	    return 1;
+	}
+	return 0;
+    }
+
+    int compare(void *p1, void *p2)
+    {
+	Object[] s1 = *cast(Object[]*)p1;
+	Object[] s2 = *cast(Object[]*)p2;
+	int c;
+
+	c = cast(int)s1.length - cast(int)s2.length;
+	if (c == 0)
+	{
+	    for (size_t u = 0; u < s1.length; u++)
+	    {	Object o1 = s1[u];
+		Object o2 = s2[u];
+
+		if (o1 is o2)
+		    continue;
+
+		// Regard null references as always being "less than"
+		if (o1)
+		{
+		    if (!o2)
+		    {	c = 1;
+			break;
+		    }
+		    c = o1.opCmp(o2);
+		    if (c)
+			break;
+		}
+		else
+		{   c = -1;
+		    break;
+		}
+	    }
+	}
+	return c;
+    }
+
+    size_t tsize()
+    {
+	return (Object[]).sizeof;
+    }
+
+    uint flags()
+    {
+	return 1;
+    }
+
+    TypeInfo next()
+    {
+	return typeid(Object);
+    }
+}
+