Kill unused function.

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

diff --git a/include/xbt/signal.hpp b/include/xbt/signal.hpp
index 6824eee..8b6cf91 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. */
@@ -13,40 +13,36 @@
 namespace simgrid {
 namespace xbt {
 
-  template<class S> class signal;
-
-  /** A signal/slot mechanism
-   *
-   *  The template parameter is the function signature of the signal.
-   *  The return value currently ignored.
-   */
-  template<class R, class... P>
-  class signal<R(P...)> {
-    using callback_type = std::function<R(P...)>;
-    std::map<unsigned int, callback_type> handlers_;
-    unsigned int callback_sequence_id = 0;
-
-  public:
-    /** Add a new callback to this signal */
-    template <class U> unsigned int connect(U slot)
-    {
-      handlers_.insert({callback_sequence_id, std::move(slot)});
-      return callback_sequence_id++;
-    }
-    /** Fire that signal, invoking all callbacks */
-    R operator()(P... args) const
-    {
-      for (auto const& handler : handlers_)
-        handler.second(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(); }
-  };
-
+template <class S> class signal;
+
+/** @brief
+ * A signal/slot mechanism, where you can attach callbacks to a given signal, and then fire the signal.
+ *
+ * The template parameter is the function signature of the signal (the return value currently ignored).
+ */
+template <class R, class... P> class signal<R(P...)> {
+  using callback_type = std::function<R(P...)>;
+  std::map<unsigned int, callback_type> handlers_;
+  unsigned int callback_sequence_id = 0;
+
+public:
+  /** Add a new callback to this signal */
+  template <class U> unsigned int connect(U slot)
+  {
+    handlers_.insert({callback_sequence_id, std::move(slot)});
+    return callback_sequence_id++;
+  }
+  /** Fire that signal, invoking all callbacks */
+  R operator()(P... args) const
+  {
+    for (auto const& handler : handlers_)
+      handler.second(args...);
+  }
+  /** Remove a callback */
+  void disconnect(unsigned int id) { handlers_.erase(id); }
+  /** Remove all callbacks */
+  void disconnect_slots() { handlers_.clear(); }
+};
 }
 }