DNSRecords are now movable.!

include/dns_record.h

@@ -33,6 +33,7 @@
 #include <string>
 #include <vector>
 #include <stdint.h>
+#include "cxxstd.h"
 
 namespace Tins {
 class DNSRRImpl;
@@ -97,6 +98,18 @@ public:
      */
     DNSResourceRecord& operator=(const DNSResourceRecord &rhs);
     
+    #if TINS_IS_CXX11
+        /**
+         * Move constructor.
+         */
+        DNSResourceRecord(DNSResourceRecord &&rhs);
+        
+        /**
+         * Move assignment operator.
+         */
+        DNSResourceRecord& operator=(DNSResourceRecord &&rhs);
+    #endif // TINS_IS_CXX11
+    
     /**
      * \brief Destructor.
      * 

src/dns_record.cpp

@@ -106,6 +106,22 @@ DNSResourceRecord& DNSResourceRecord::operator=(const DNSResourceRecord &rhs)
     return *this;
 }
 
+#if TINS_IS_CXX11
+    DNSResourceRecord::DNSResourceRecord(DNSResourceRecord &&rhs) 
+    : info_(rhs.info_), data(std::move(rhs.data)), impl(0) {
+        std::swap(impl, rhs.impl);
+    }
+        
+    DNSResourceRecord& DNSResourceRecord::operator=(DNSResourceRecord &&rhs) {
+        info_ = rhs.info_;
+        data = std::move(rhs.data);
+        delete impl;
+        impl = 0;
+        std::swap(impl, rhs.impl);
+        return *this;
+    }
+#endif
+
 DNSResourceRecord::~DNSResourceRecord() {
     delete impl;
 }