update

alibaba · Dec 18, 2024 · 52e2162 · 52e2162
1 parent 28adb89
commit 52e2162
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/ylt/metric/histogram.hpp b/include/ylt/metric/histogram.hpp
@@ -190,7 +190,7 @@ class basic_dynamic_histogram : public dynamic_metric {
 
   void clean_expired_label() override {
     sum_->clean_expired_label();
-    for (auto m : bucket_counts_) {
+    for (auto &m : bucket_counts_) {
       m->clean_expired_label();
     }
   }