diff Implab/Diagnostics/LogicalOperation.cs @ 92:4c0e5ef99986 v2

rewritten tracing
author cin
date Wed, 22 Oct 2014 18:37:56 +0400
parents 2880242f987a
children
line wrap: on
line diff
--- a/Implab/Diagnostics/LogicalOperation.cs	Tue Oct 14 09:30:45 2014 +0400
+++ b/Implab/Diagnostics/LogicalOperation.cs	Wed Oct 22 18:37:56 2014 +0400
@@ -1,11 +1,9 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Implab.Diagnostics {
     public class LogicalOperation {
+        public static readonly LogicalOperation EMPTY = new LogicalOperation("__EMPTY__", null);
+
         readonly LogicalOperation m_parent;
         readonly string m_name;
         readonly int m_level;