tree: node ids are now simple integers

Dictionary lookups with simple integers are more efficient
than with "node<integer>"

Signed-off-by: Steve Bennett <steveb@workware.net.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/tree.tcl b/tree.tcl
index 38a0a94..0d6c481 100644
--- a/tree.tcl
+++ b/tree.tcl
@@ -143,7 +143,7 @@ tree method getall {node} {
 tree method insert {node {index end}} {
 
 	# Make a new node and add it to the tree
-	set childname node[incr nodeid]
+	set childname [incr nodeid]
 	dict set tree $childname {}
 
 	# The new node has no children