1 files changed, 6 insertions, 2 deletions
diff --git a/FileReader.cpp b/FileReader.cpp
index 2c7a50e..d2d888f 100644
--- a/FileReader.cpp
+++ b/FileReader.cpp
@@ -1,10 +1,14 @@
+#include <memory>
+
 #include "FileReader.h"
 #include "FileStrategy.h"
 
-FileStrategy & FileReader::open(const std::string url) {
+using namespace std;
+
+unique_ptr<FileStrategy> FileReader::open(const std::string url) {
 	FileStrategy * reader = find_reader(url)->clone();
 	reader->open(url);
-	return *reader;
+	return unique_ptr<FileStrategy>(reader);
 }
 
 void FileReader::register_strategy(const std::string type, const FileStrategy * node) {