Use range-based for loops (C++11) when looping over map elements

Before this commit:

  for (std::map<T1, T2>::iterator x = y.begin(); x != y.end(); ++x) {
  }

After this commit:

  for (auto& x : y) {
  }

1 files changed, 3 insertions, 3 deletions

diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp
index a3d3df26a..86beba30d 100644
--- a/src/rpc/net.cpp
+++ b/src/rpc/net.cpp
@@ -569,11 +569,11 @@ UniValue listbanned(const JSONRPCRequest& request)
     g_connman->GetBanned(banMap);
 
     UniValue bannedAddresses(UniValue::VARR);
-    for (banmap_t::iterator it = banMap.begin(); it != banMap.end(); it++)
+    for (const auto& entry : banMap)
     {
-        CBanEntry banEntry = (*it).second;
+        const CBanEntry& banEntry = entry.second;
         UniValue rec(UniValue::VOBJ);
-        rec.push_back(Pair("address", (*it).first.ToString()));
+        rec.push_back(Pair("address", entry.first.ToString()));
         rec.push_back(Pair("banned_until", banEntry.nBanUntil));
         rec.push_back(Pair("ban_created", banEntry.nCreateTime));
         rec.push_back(Pair("ban_reason", banEntry.banReasonToString()));