--- Revision 343838643963
+++ Revision 303561633331
@@ -1,4 +1,4 @@
-20:49 ~/g/code/p6/t$ cat Tree/LLRB.pm6 
+21:09 ~/g/code/p6/t$ cat Tree/LLRB.pm6                                                 
 class Tree::LLRB {
         class Node {
                 has $.key is rw;
@@ -8,10 +8,7 @@
                 has $.color is rw;
 
                 method new($key, $val) {
-                        $.key = $key;
-                        $.val = $val;
-                        # True == Red, False == Black
-                        $.color = True;
+                        nextwith(self, :$key, :$val, :color<True>)
                 }
 
                 method colorFlip() {
@@ -89,10 +86,9 @@
                 }
         }
 }
-20:49 ~/g/code/p6/t$ perl6 -e 'use Tree::LLRB; Tree::LLRB.new().insert(1, True).dump()'
-Type objects are abstract and have no attributes, but you tried to access $!key
-  in 'Node::new' at line 10:Tree/LLRB.pm6
-  in 'Tree::LLRB::insert_at_node' at line 56:Tree/LLRB.pm6
-  in 'Tree::LLRB::insert' at line 50:Tree/LLRB.pm6
+21:09 ~/g/code/p6/t$ perl6 -e 'use Tree::LLRB; Tree::LLRB.new().insert(1, True).dump()'
+too many positional arguments: 2 passed, 1 expected
+  in 'Node::new' at line 1
+  in 'Tree::LLRB::insert_at_node' at line 53:Tree/LLRB.pm6
+  in 'Tree::LLRB::insert' at line 47:Tree/LLRB.pm6
   in main program body at line 1
-