More doc for SMPI

[simgrid.git] / include / xbt / signal.hpp

diff --git a/include/xbt/signal.hpp b/include/xbt/signal.hpp
index ef4ec9c..70c477f 100644 (file)
--- a/include/xbt/signal.hpp
+++ b/include/xbt/signal.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2014-2021. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2014-2023. 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. */
@@ -10,8 +10,7 @@
 #include <map>
 #include <utility>
 
-namespace simgrid {
-namespace xbt {
+namespace simgrid::xbt {
 
 template <class S> class signal;
 
@@ -35,17 +34,14 @@ public:
   /** Fire that signal, invoking all callbacks */
   R operator()(P... args) const
   {
-    for (auto const& handler : handlers_)
-      handler.second(args...);
+    for (auto const& [_, callback] : handlers_)
+      callback(args...);
   }
   /** Remove a callback */
   void disconnect(unsigned int id) { handlers_.erase(id); }
   /** Remove all callbacks */
   void disconnect_slots() { handlers_.clear(); }
-  /** Get the amount of callbacks */
-  int get_slot_count() { return handlers_.size(); }
 };
-}
-}
+} // namespace simgrid::xbt
 
 #endif