From 95de59adaee8d06889e0618e348520bf68f94635 Mon Sep 17 00:00:00 2001
From: Alexander Krotov <krotov@iitp.ru>
Date: Fri, 12 Apr 2019 00:51:25 +0300
Subject: [PATCH] core: return non-const reference when a const Ptr is
 dereferenced

Address issue #47
---
 src/core/model/ptr.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/model/ptr.h b/src/core/model/ptr.h
index 48d1314c0..3188c1fe9 100644
--- a/src/core/model/ptr.h
+++ b/src/core/model/ptr.h
@@ -175,7 +175,7 @@ public:
    * A \c const dereference.
    * \returns A pointer to the underlying object.
    */
-  const T &operator * () const;
+  T &operator * () const;
   /**
    * A  dereference.
    * \returns A pointer to the underlying object.
@@ -791,7 +791,7 @@ Ptr<T>::operator -> () const
 }
 
 template <typename T>
-const T &
+T &
 Ptr<T>::operator * () const
 {
   return *m_ptr;