1 files changed, 8 insertions, 0 deletions
diff --git a/session.h b/session.h
index 666d8ce2..6e507dd7 100644
--- a/session.h
+++ b/session.h
@@ -42,6 +42,14 @@ struct statistic_decl
   int64_t linear_low;
   int64_t linear_high;
   int64_t linear_step;
+  bool operator==(statistic_decl const & other)
+  {
+    return type == other.type 
+      && logarithmic_buckets == other.logarithmic_buckets
+      && linear_low == other.linear_low
+      && linear_high == other.linear_high
+      && linear_step == other.linear_step;
+  }
 };