From 1149611d495991d5682e9d3218ba1a213755e36c Mon Sep 17 00:00:00 2001
From: Caleb Clausen <coatl@inforadical.net>
Date: Thu, 18 Jun 2009 13:20:22 -0700
Subject: [PATCH] give trace a default block if none provided

---
 regbind.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/regbind.rb b/regbind.rb
index fac9ea5..3c02ef9 100755
--- a/regbind.rb
+++ b/regbind.rb
@@ -109,6 +109,10 @@ class Trace
     include Reg,Composite
   
     def initialize(reg,&block)
+      block||=proc{|reg,other,result|
+        print "not " unless result
+        print reg.inspect, " === ", other.inspect, "\n"
+      } 
       @reg,@block=reg,block
       super
 #      extend( HasCmatch===@reg ? HasCmatch : HasBmatch )