1 files changed, 6 insertions, 3 deletions
diff --git a/enginedata.h b/enginedata.h
index 1b9feb4..e5d488e 100644
--- a/enginedata.h
+++ b/enginedata.h
@@ -1,5 +1,8 @@
+#pragma once
+
 #include <string>
 #include <map>
+#include <list>
 #include "Maybe.h"
 
 using namespace std;
@@ -56,7 +59,7 @@ struct Table{
 	~Table(void);
 	Table(Table &&other);
 
-	void insert(Row &&row);
-	void insert(Row &row);
-	Maybe<Row> find(const string &key);
+	bool insert(Row &&row);
+	bool insert(Row &row);
+	list<Row> find(const string &key);
 };