Refactor: Modernize disallowed copy constructors/assignment

Use C++11's better capability of expressing an interface of a non-copyable class by publicly deleting its copy ctor and assignment operator instead of just declaring them private.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/txdb.h b/src/txdb.h
index d1cd5a4250..c254ba91c8 100644
--- a/src/txdb.h
+++ b/src/txdb.h
@@ -110,10 +110,10 @@ class CBlockTreeDB : public CDBWrapper
 {
 public:
     explicit CBlockTreeDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
-private:
-    CBlockTreeDB(const CBlockTreeDB&);
-    void operator=(const CBlockTreeDB&);
-public:
+
+    CBlockTreeDB(const CBlockTreeDB&) = delete;
+    CBlockTreeDB& operator=(const CBlockTreeDB&) = delete;
+
     bool WriteBatchSync(const std::vector<std::pair<int, const CBlockFileInfo*> >& fileInfo, int nLastFile, const std::vector<const CBlockIndex*>& blockinfo);
     bool ReadBlockFileInfo(int nFile, CBlockFileInfo &fileinfo);
     bool ReadLastBlockFile(int &nFile);