1 files changed, 16 insertions, 3 deletions

diff --git a/pushvar.h b/pushvar.h
index 98944481..f8db82f8 100644
--- a/pushvar.h
+++ b/pushvar.h
@@ -43,22 +43,35 @@
 template <typename T>
 class push_variable : public boost::noncopyable
 {
+  push_variable();
+
+public:
   T&   var;
   T    prev;
   bool enabled;
 
-public:
   explicit push_variable(T& _var)
-    : var(_var), prev(var), enabled(true) {}
+    : var(_var), prev(var), enabled(true) {
+    TRACE_CTOR(push_variable, "T&");
+  }
   explicit push_variable(T& _var, const T& value)
     : var(_var), prev(var), enabled(true) {
+    TRACE_CTOR(push_variable, "T&, constT&");
     var = value;
   }
-  ~push_variable() {
+  ~push_variable() throw() {
+    TRACE_DTOR(push_variable);
     if (enabled)
       var = prev;
   }
 
+  T& operator*() {
+    return var;
+  }
+  T * operator->() {
+    return &var;
+  }
+
   void clear() {
     enabled = false;
   }