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/qt/transactiontablemodel.cpp b/src/qt/transactiontablemodel.cpp
index 59cef555b1..ff75ab89b9 100644
--- a/src/qt/transactiontablemodel.cpp
+++ b/src/qt/transactiontablemodel.cpp
@@ -80,10 +80,10 @@ public:
         cachedWallet.clear();
         {
             LOCK2(cs_main, wallet->cs_wallet);
-            for(std::map<uint256, CWalletTx>::iterator it = wallet->mapWallet.begin(); it != wallet->mapWallet.end(); ++it)
+            for (const auto& entry : wallet->mapWallet)
             {
-                if(TransactionRecord::showTransaction(it->second))
-                    cachedWallet.append(TransactionRecord::decomposeTransaction(wallet, it->second));
+                if (TransactionRecord::showTransaction(entry.second))
+                    cachedWallet.append(TransactionRecord::decomposeTransaction(wallet, entry.second));
             }
         }
     }