Use (const) references with range-based for loops.

[simgrid.git] / src / kernel / activity / MailboxImpl.cpp

diff --git a/src/kernel/activity/MailboxImpl.cpp b/src/kernel/activity/MailboxImpl.cpp
index 936b249..13e9870 100644 (file)
--- a/src/kernel/activity/MailboxImpl.cpp
+++ b/src/kernel/activity/MailboxImpl.cpp
@@ -13,7 +13,7 @@ static std::map<std::string, smx_mailbox_t>* mailboxes = new std::map<std::strin
 
 void SIMIX_mailbox_exit()
 {
-  for (auto elm : *mailboxes)
+  for (auto const& elm : *mailboxes)
     delete elm.second;
   delete mailboxes;
 }