[indexer] Added move assignment operator for CategoriesIndex.

1 files changed, 6 insertions, 5 deletions

diff --git a/indexer/categories_index.hpp b/indexer/categories_index.hpp
index bda1bbb1fc..02ac8d104e 100644
--- a/indexer/categories_index.hpp
+++ b/indexer/categories_index.hpp
@@ -18,17 +18,18 @@ class CategoriesIndex
 public:
   using TCategory = CategoriesHolder::Category;
 
-  CategoriesIndex() : m_catHolder(GetDefaultCategories()) {}
+  CategoriesIndex() : m_catHolder(&GetDefaultCategories()) {}
 
-  CategoriesIndex(CategoriesHolder const & catHolder) : m_catHolder(catHolder) {}
+  CategoriesIndex(CategoriesHolder const * catHolder) : m_catHolder(catHolder) {}
 
   CategoriesIndex(CategoriesIndex && other)
     : m_catHolder(other.m_catHolder), m_trie(move(other.m_trie))
   {
   }
 
-  CategoriesHolder const & GetCategoriesHolder() const { return m_catHolder; }
+  CategoriesIndex & operator=(CategoriesIndex && other) = default;
 
+  CategoriesHolder const * GetCategoriesHolder() const { return m_catHolder; }
   // Adds all categories that match |type|. Only synonyms
   // in language |lang| are added. See indexer/categories_holder.cpp
   // for language enumeration.
@@ -58,11 +59,11 @@ public:
   void GetAssociatedTypes(string const & query, vector<uint32_t> & result) const;
 
 #ifdef DEBUG
-  inline int GetNumTrieNodes() const { return m_trie.GetNumNodes(); }
+  inline size_t GetNumTrieNodes() const { return m_trie.GetNumNodes(); }
 #endif
 
 private:
-  CategoriesHolder const & m_catHolder;
+  CategoriesHolder const * m_catHolder = nullptr;
   my::MemTrie<string, uint32_t> m_trie;
 };
 }  // namespace indexer