Correct a few a/an.

[simgrid.git] / include / simgrid / s4u / Storage.hpp

diff --git a/include/simgrid/s4u/Storage.hpp b/include/simgrid/s4u/Storage.hpp
index d957650f4ca363d07f45d8f3206d122f357dc9dd..9d4c46d893f9fe5df58b3c2e683d240d4c66a7b7 100644 (file)
--- a/include/simgrid/s4u/Storage.hpp
+++ b/include/simgrid/s4u/Storage.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2020. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -17,6 +17,9 @@
 #include <unordered_map>
 
 namespace simgrid {
+
+extern template class XBT_PUBLIC xbt::Extendable<s4u::Storage>;
+
 namespace s4u {
 
 /** Storage represent the disk resources, usually associated to a given host
@@ -35,6 +38,7 @@ public:
 
 protected:
   virtual ~Storage() = default;
+
 public:
   /** @brief Callback signal fired when a new Storage is created */
   static xbt::signal<void(Storage&)> on_creation;