add copy assignment operator

1 files changed, 8 insertions, 0 deletions

diff --git a/library/cpp/containers/compact_vector/compact_vector.h b/library/cpp/containers/compact_vector/compact_vector.h
index ff1e94e024..0c6c563d71 100644
--- a/library/cpp/containers/compact_vector/compact_vector.h
+++ b/library/cpp/containers/compact_vector/compact_vector.h
@@ -98,6 +98,14 @@ public:
         return *this;
     }
 
+    TThis& operator = (const TThis& that) {
+        if (Y_LIKELY(this != &that)) {
+            TThis tmp(that);
+            Swap(tmp);
+        }
+        return *this;
+    }
+
     TThis& operator = (std::initializer_list<T> init) {
         TThis data(init);
         Swap(data);