X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f23b0fb864cb60978c1fcfd48d50f62dd054fe31..329535631662ebf730c23f762762d38bf16663c3:/examples/s4u/engine-filtering/s4u-engine-filtering.cpp

diff --git a/examples/s4u/engine-filtering/s4u-engine-filtering.cpp b/examples/s4u/engine-filtering/s4u-engine-filtering.cpp
index acc939126c..494030006a 100644
--- a/examples/s4u/engine-filtering/s4u-engine-filtering.cpp
+++ b/examples/s4u/engine-filtering/s4u-engine-filtering.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2017-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2017-2019. 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. */
@@ -19,7 +19,7 @@ XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_engine_filtering, "Messages specific for this s
 
 namespace filter {
 /* First example of thing that we can use as a filtering criteria: a simple boolean function */
-static bool filter_speed_more_than_50Mf(simgrid::s4u::Host* host)
+static bool filter_speed_more_than_50Mf(const simgrid::s4u::Host* host)
 {
   return host->get_speed() > 50E6;
 }
@@ -29,11 +29,11 @@ static bool filter_speed_more_than_50Mf(simgrid::s4u::Host* host)
  */
 class SingleCore {
 public:
-  bool operator()(simgrid::s4u::Host* host) { return host->get_core_count() == 1; }
+  bool operator()(const simgrid::s4u::Host* host) { return host->get_core_count() == 1; }
 };
 
 /* This functor is a bit more complex, as it saves the current state when created.
- * Then, it allows to easily retrieve the hosts which frequency changed since the functor creation.
+ * Then, it allows one to easily retrieve the hosts which frequency changed since the functor creation.
  */
 class FrequencyChanged {
   std::map<simgrid::s4u::Host*, int> host_list;
@@ -60,7 +60,7 @@ int main(int argc, char* argv[])
   /* Use a lambda function to filter hosts: We only want multicore hosts */
   XBT_INFO("Hosts currently registered with this engine: %zu", e.get_host_count());
   std::vector<simgrid::s4u::Host*> list =
-      e.get_filtered_hosts([](simgrid::s4u::Host* host) { return host->get_core_count() > 1; });
+      e.get_filtered_hosts([](const simgrid::s4u::Host* host) { return host->get_core_count() > 1; });
 
   for (auto& host : list)
     XBT_INFO("The following hosts have more than one core: %s", host->get_cname());