List: Return by reference

Author: adazem009

src/scratch/list.cpp

@@ -31,7 +31,7 @@ std::deque<Value> List::items() const
 }
 
 /*! Returns the item at index. */
-Value List::at(int index) const
+const Value &List::at(int index) const
 {
     return m_items[index];
 }

src/scratch/list.h

@@ -21,7 +21,7 @@ class LIBSCRATCHCPP_EXPORT List : public IEntity
         void setName(const std::string &name);
 
         std::deque<Value> items() const;
-        Value at(int index) const;
+        const Value &at(int index) const;
         int indexOf(const Value &value) const;
         int size() const;
         int length() const;