diff --git a/example/helloworld/main.cpp b/example/helloworld/main.cpp
index 60e2c38..2b7c115 100644
--- a/example/helloworld/main.cpp
+++ b/example/helloworld/main.cpp
@@ -59,7 +59,7 @@ void runServer(const QString& portOrPath) {
                 qPrintable(req->url().toString().toUtf8())
               );
         qDebug("[Headers (%d)]", h.size());
-        qhttp::for_each(h.constBegin(), h.constEnd(), [](auto iter) {
+        h.forEach([](auto iter) {
             qDebug(" %s : %s",
                     iter.key().constData(),
                     iter.value().constData()
@@ -101,8 +101,7 @@ void runClient(QString url) {
 
         // just for fun! print headers:
         qDebug("\n[Headers:]");
-        const auto& hs = res->headers();
-        qhttp::for_each(hs.constBegin(), hs.constEnd(), [](auto cit) {
+        res->headers().forEach([](auto cit) {
             qDebug("%s : %s", cit.key().constData(), cit.value().constData());
         });
     });
@@ -145,8 +144,7 @@ void runWeatherClient(const QString& cityName) {
 
         // just for fun! print headers:
         qDebug("\n[Headers:]");
-        const auto& hs = res->headers();
-        qhttp::for_each(hs.constBegin(), hs.constEnd(), [](auto cit){
+        res->headers().forEach([](auto cit) {
             qDebug("%s : %s", cit.key().constData(), cit.value().constData());
         });
     });
diff --git a/src/private/httpwriter.hxx b/src/private/httpwriter.hxx
index 7440133..910e845 100644
--- a/src/private/httpwriter.hxx
+++ b/src/private/httpwriter.hxx
@@ -84,12 +84,8 @@ public:
         TImpl* me = static_cast<TImpl*>(this);
         me->prepareHeadersToWrite();
 
-        qhttp::for_each(TBase::iheaders.constBegin(), TBase::iheaders.constEnd(),
-                [this](const auto& cit) {
-            const QByteArray& field = cit.key();
-            const QByteArray& value = cit.value();
-
-            this->writeHeader(field, value);
+        TBase::iheaders.forEach([this](const auto& cit) {
+            this->writeHeader(cit.key(), cit.value());
         });
 
         isocket.writeRaw("\r\n");
diff --git a/src/qhttpfwd.hpp b/src/qhttpfwd.hpp
index f290593..534e687 100644
--- a/src/qhttpfwd.hpp
+++ b/src/qhttpfwd.hpp
@@ -29,33 +29,38 @@ struct http_parser;
 namespace qhttp {
 ///////////////////////////////////////////////////////////////////////////////
 
+/// QHash/QMap iterators are incompatibility with range for
+template<class Iterator, class Func>
+void for_each(Iterator first, Iterator last, Func&& f) {
+    while ( first != last ) {
+        f( first );
+        ++first;
+    }
+}
+
 /** A map of request or response headers. */
 class THeaderHash : public QHash<QByteArray, QByteArray>
 {
 public:
     /** checks for a header item, regardless of the case of the characters. */
-    bool    has(const QByteArray& key) const {
+    bool has(const QByteArray& key) const {
         return contains(key.toLower());
     }
 
     /** checks if a header has the specified value ignoring the case of the characters. */
-    bool    keyHasValue(const QByteArray& key, const QByteArray& value) const {
+    bool keyHasValue(const QByteArray& key, const QByteArray& value) const {
         if ( !contains(key) )
             return false;
 
         const QByteArray& v = QHash<QByteArray, QByteArray>::value(key);
         return qstrnicmp(value.constData(), v.constData(), v.size()) == 0;
     }
-};
 
-/// QHash/QMap iterators are incompatibility with range for
-template<class Iterator, class Func>
-void for_each(Iterator first, Iterator last, Func&& f) {
-    while ( first != last ) {
-        f( first );
-        ++first;
+    template<class Func>
+    void forEach(Func&& f) const {
+        for_each(constBegin(), constEnd(), f);
     }
-}
+};
 
 
 /** Request method enumeration.