1 files changed, 9 insertions, 2 deletions
diff --git a/mask.h b/mask.h
index daae014f..0cfb160d 100644
--- a/mask.h
+++ b/mask.h
@@ -38,12 +38,19 @@ namespace ledger {
 
 class mask_t
 {
- public:
+  mask_t();
+
+public:
   bool	       exclude;
   boost::regex expr;
 
   explicit mask_t(const string& pattern);
-  mask_t(const mask_t& m) : exclude(m.exclude), expr(m.expr) {}
+  mask_t(const mask_t& m) : exclude(m.exclude), expr(m.expr) {
+    TRACE_CTOR(mask_t, "copy");
+  }
+  ~mask_t() throw() {
+    TRACE_DTOR(mask_t);
+  }
 
   bool match(const string& str) const {
     return boost::regex_match(str, expr) && ! exclude;