diff -r 000000000000 -r 1918ee327afb src/corelib/concurrent/qtconcurrentmap.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/concurrent/qtconcurrentmap.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,780 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTCONCURRENT_MAP_H
+#define QTCONCURRENT_MAP_H
+
+#include <QtCore/qglobal.h>
+
+#ifndef QT_NO_CONCURRENT
+
+#include <QtCore/qtconcurrentmapkernel.h>
+#include <QtCore/qtconcurrentreducekernel.h>
+#include <QtCore/qtconcurrentfunctionwrappers.h>
+#include <QtCore/qstringlist.h>
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifdef qdoc
+
+namespace QtConcurrent {
+
+    QFuture<void> map(Sequence &sequence, MapFunction function);
+    QFuture<void> map(Iterator begin, Iterator end, MapFunction function);
+
+    template <typename T>
+    QFuture<T> mapped(const Sequence &sequence, MapFunction function);
+    template <typename T>
+    QFuture<T> mapped(ConstIterator begin, ConstIterator end, MapFunction function);
+
+    template <typename T>
+    QFuture<T> mappedReduced(const Sequence &sequence,
+                             MapFunction function,
+                             ReduceFunction function,
+                             QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
+    template <typename T>
+    QFuture<T> mappedReduced(ConstIterator begin,
+                             ConstIterator end,
+                             MapFunction function,
+                             ReduceFunction function,
+                             QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
+
+    void blockingMap(Sequence &sequence, MapFunction function);
+    void blockingMap(Iterator begin, Iterator end, MapFunction function);
+
+    template <typename T>
+    T blockingMapped(const Sequence &sequence, MapFunction function);
+    template <typename T>
+    T blockingMapped(ConstIterator begin, ConstIterator end, MapFunction function);
+
+    template <typename T>
+    T blockingMappedReduced(const Sequence &sequence,
+                            MapFunction function,
+                            ReduceFunction function,
+                            QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
+    template <typename T>
+    T blockingMappedReduced(ConstIterator begin,
+                            ConstIterator end,
+                            MapFunction function,
+                            ReduceFunction function,
+                            QtConcurrent::ReduceOptions options = UnorderedReduce | SequentialReduce);
+
+} // namespace QtConcurrent
+
+#else
+
+namespace QtConcurrent {
+
+// map() on sequences
+template <typename Sequence, typename MapFunctor>
+QFuture<void> map(Sequence &sequence, MapFunctor map)
+{
+    return startMap(sequence.begin(), sequence.end(), map);
+}
+
+template <typename Sequence, typename T, typename U>
+QFuture<void> map(Sequence &sequence, T (map)(U))
+{
+    return startMap(sequence.begin(), sequence.end(), FunctionWrapper1<T, U>(map));
+}
+
+template <typename Sequence, typename T, typename C>
+QFuture<void> map(Sequence &sequence, T (C::*map)())
+{
+    return startMap(sequence.begin(), sequence.end(), MemberFunctionWrapper<T, C>(map));
+}
+
+// map() on iterators
+template <typename Iterator, typename MapFunctor>
+QFuture<void> map(Iterator begin, Iterator end, MapFunctor map)
+{
+    return startMap(begin, end, map);
+}
+
+template <typename Iterator, typename T, typename U>
+QFuture<void> map(Iterator begin, Iterator end, T (map)(U))
+{
+    return startMap(begin, end, FunctionWrapper1<T, U>(map));
+}
+
+template <typename Iterator, typename T, typename C>
+QFuture<void> map(Iterator begin, Iterator end, T (C::*map)())
+{
+    return startMap(begin, end, MemberFunctionWrapper<T, C>(map));
+}
+
+// mappedReduced() for sequences.
+template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(const Sequence &sequence,
+                                  MapFunctor map,
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, ResultType>
+    (sequence, map, reduce, options);
+}
+
+template <typename Sequence, typename MapFunctor, typename T, typename U, typename V>
+QFuture<U> mappedReduced(const Sequence &sequence,
+                         MapFunctor map,
+                         T (reduce)(U &, V),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, U>
+    (sequence, map, FunctionWrapper2<T, U &, V>(reduce), options);
+}
+
+template <typename Sequence, typename MapFunctor, typename T, typename C, typename U>
+QFuture<C> mappedReduced(const Sequence &sequence,
+                         MapFunctor map,
+                         T (C::*reduce)(U),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, C>
+    (sequence, map, MemberFunctionWrapper1<T, C, U>(reduce), options);
+}
+
+template <typename ResultType, typename Sequence, typename T, typename U, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(const Sequence &sequence,
+                                  T (map)(U),
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, ResultType>
+    (sequence, FunctionWrapper1<T, U>(map), reduce, options);
+}
+
+template <typename ResultType, typename Sequence, typename T, typename C, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(const Sequence &sequence,
+                                  T (C::*map)() const,
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, ResultType>
+    (sequence, ConstMemberFunctionWrapper<T, C>(map), reduce, options);
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename W, typename X>
+QFuture<W> mappedReduced(const Sequence &sequence,
+                         T (map)(U),
+                         V (reduce)(W &, X),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, W>
+    (sequence, FunctionWrapper1<T, U>(map), FunctionWrapper2<V, W &, X>(reduce), options);
+}
+
+template <typename Sequence, typename T, typename C, typename U, typename V, typename W>
+QFuture<V> mappedReduced(const Sequence &sequence,
+                         T (C::*map)() const,
+                         U (reduce)(V &, W),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, V> (sequence, ConstMemberFunctionWrapper<T, C>(map),
+                                    FunctionWrapper2<U, V &, W>(reduce), options);
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename C, typename W>
+QFuture<C> mappedReduced(const Sequence &sequence,
+                         T (map)(U),
+                         V (C::*reduce)(W),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, C> (sequence, FunctionWrapper1<T, U>(map),
+                                     MemberFunctionWrapper1<V, C, W>(reduce), options);
+}
+
+template <typename Sequence, typename T, typename C, typename U,typename D, typename V>
+QFuture<D> mappedReduced(const Sequence &sequence,
+                         T (C::*map)() const,
+                         U (D::*reduce)(V),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, D>(sequence, ConstMemberFunctionWrapper<T, C>(map),
+                                    MemberFunctionWrapper1<U, D, V>(reduce), options);
+}
+
+// mappedReduced() for iterators
+template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(Iterator begin,
+                                  Iterator end,
+                                  MapFunctor map,
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<ResultType, typename MapFunctor::result_type>
+    (begin, end, map, reduce, options);
+}
+
+template <typename Iterator, typename MapFunctor, typename T, typename U, typename V>
+QFuture<U> mappedReduced(Iterator begin,
+                         Iterator end,
+                         MapFunctor map,
+                         T (reduce)(U &, V),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, U>
+    (begin, end, map, FunctionWrapper2<T, U &, V>(reduce), options);
+}
+
+template <typename Iterator, typename MapFunctor, typename T, typename C, typename U>
+QFuture<C> mappedReduced(Iterator begin,
+                         Iterator end,
+                         MapFunctor map,
+                         T (C::*reduce)(U),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<typename MapFunctor::result_type, C>
+    (begin, end, map, MemberFunctionWrapper1<T, C, U>(reduce), options);
+}
+
+template <typename ResultType, typename Iterator, typename T, typename U, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(Iterator begin,
+                                  Iterator end,
+                                  T (map)(U),
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, ResultType>
+    (begin, end, FunctionWrapper1<T, U>(map), reduce, options);
+}
+
+template <typename ResultType, typename Iterator, typename T, typename C, typename ReduceFunctor>
+QFuture<ResultType> mappedReduced(Iterator begin,
+                                  Iterator end,
+                                  T (C::*map)() const,
+                                  ReduceFunctor reduce,
+                                  ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, ResultType>
+    (begin, end, ConstMemberFunctionWrapper<T, C>(map), reduce, options);
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename W, typename X>
+QFuture<W> mappedReduced(Iterator begin,
+                         Iterator end,
+                         T (map)(U),
+                         V (reduce)(W &, X),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, W>
+    (begin, end, FunctionWrapper1<T, U>(map), FunctionWrapper2<V, W &, X>(reduce), options);
+}
+
+template <typename Iterator, typename T, typename C, typename U, typename V, typename W>
+QFuture<V> mappedReduced(Iterator begin,
+                         Iterator end,
+                         T (C::*map)() const,
+                         U (reduce)(V &, W),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, V>(begin, end, ConstMemberFunctionWrapper<T, C>(map),
+                                   FunctionWrapper2<U, V &, W>(reduce), options);
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename C, typename W>
+QFuture<C> mappedReduced(Iterator begin,
+                         Iterator end,
+                         T (map)(U),
+                         V (C::*reduce)(W),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, C>
+    (begin, end, FunctionWrapper1<T, U>(map), MemberFunctionWrapper1<V, C, W>(reduce), options);
+}
+
+template <typename Iterator, typename T, typename C, typename U,typename D, typename V>
+QFuture<D> mappedReduced(Iterator begin,
+                         Iterator end,
+                         T (C::*map)() const,
+                         U (D::*reduce)(V),
+                         ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return startMappedReduced<T, D>(begin, end, ConstMemberFunctionWrapper<T, C>(map),
+                                    MemberFunctionWrapper1<U, D, V>(reduce), options);
+}
+
+// mapped() for sequences
+template <typename Sequence, typename MapFunctor>
+QFuture<typename MapFunctor::result_type> mapped(const Sequence &sequence, MapFunctor map)
+{
+    return startMapped<typename MapFunctor::result_type>(sequence, map);
+}
+
+template <typename Sequence, typename T, typename U>
+QFuture<T> mapped(const Sequence &sequence, T (map)(U))
+{
+   return startMapped<T>(sequence, FunctionWrapper1<T, U>(map));
+}
+
+template <typename Sequence, typename T, typename C>
+QFuture<T> mapped(const Sequence &sequence, T (C::*map)() const)
+{
+    return startMapped<T>(sequence, ConstMemberFunctionWrapper<T, C>(map));
+}
+
+// mapped() for iterator ranges.
+template <typename Iterator, typename MapFunctor>
+QFuture<typename MapFunctor::result_type> mapped(Iterator begin, Iterator end, MapFunctor map)
+{
+    return startMapped<Q_TYPENAME MapFunctor::result_type>(begin, end, map);
+}
+
+template <typename Iterator, typename T, typename U>
+QFuture<T> mapped(Iterator begin, Iterator end, T (map)(U))
+{
+    return startMapped<T>(begin, end, FunctionWrapper1<T, U>(map));
+}
+
+template <typename Iterator, typename T, typename C>
+QFuture<T> mapped(Iterator begin, Iterator end, T (C::*map)() const)
+{
+    return startMapped<T>(begin, end, ConstMemberFunctionWrapper<T, C>(map));
+}
+
+
+template <typename Sequence, typename MapFunctor>
+void blockingMap(Sequence &sequence, MapFunctor map)
+{
+    startMap(sequence.begin(), sequence.end(), map).startBlocking();
+}
+
+template <typename Sequence, typename T, typename U>
+void blockingMap(Sequence &sequence, T (map)(U))
+{
+    startMap(sequence.begin(), sequence.end(), QtConcurrent::FunctionWrapper1<T, U>(map)).startBlocking();
+}
+
+template <typename Sequence, typename T, typename C>
+void blockingMap(Sequence &sequence, T (C::*map)())
+{
+    startMap(sequence.begin(), sequence.end(), QtConcurrent::MemberFunctionWrapper<T, C>(map)).startBlocking();
+}
+
+template <typename Iterator, typename MapFunctor>
+void blockingMap(Iterator begin, Iterator end, MapFunctor map)
+{
+    startMap(begin, end, map).startBlocking();
+}
+
+template <typename Iterator, typename T, typename U>
+void blockingMap(Iterator begin, Iterator end, T (map)(U))
+{
+    startMap(begin, end, QtConcurrent::FunctionWrapper1<T, U>(map)).startBlocking();
+}
+
+template <typename Iterator, typename T, typename C>
+void blockingMap(Iterator begin, Iterator end, T (C::*map)())
+{
+    startMap(begin, end, QtConcurrent::MemberFunctionWrapper<T, C>(map)).startBlocking();
+}
+
+template <typename ResultType, typename Sequence, typename MapFunctor, typename ReduceFunctor>
+ResultType blockingMappedReduced(const Sequence &sequence,
+                                 MapFunctor map,
+                                 ReduceFunctor reduce,
+                                 ReduceOptions options = ReduceOptions(UnorderedReduce | SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, ResultType>
+    (sequence, map, reduce, options).startBlocking();
+}
+
+template <typename Sequence, typename MapFunctor, typename T, typename U, typename V>
+U blockingMappedReduced(const Sequence &sequence,
+                        MapFunctor map,
+                        T (reduce)(U &, V),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, U>
+        (sequence,
+         map,
+         QtConcurrent::FunctionWrapper2<T, U &, V>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename MapFunctor, typename T, typename C, typename U>
+C blockingMappedReduced(const Sequence &sequence,
+                        MapFunctor map,
+                        T (C::*reduce)(U),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, C>
+        (sequence,
+         map,
+         QtConcurrent::MemberFunctionWrapper1<T, C, U>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Sequence, typename T, typename U, typename ReduceFunctor>
+ResultType blockingMappedReduced(const Sequence &sequence,
+                                 T (map)(U),
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, ResultType>
+        (sequence,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         reduce,
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Sequence, typename T, typename C, typename ReduceFunctor>
+ResultType blockingMappedReduced(const Sequence &sequence,
+                                 T (C::*map)() const,
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, ResultType>
+        (sequence,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         reduce,
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename W, typename X>
+W blockingMappedReduced(const Sequence &sequence,
+                        T (map)(U),
+                        V (reduce)(W &, X),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, W>
+        (sequence,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         QtConcurrent::FunctionWrapper2<V, W &, X>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename T, typename C, typename U, typename V, typename W>
+V blockingMappedReduced(const Sequence &sequence,
+                        T (C::*map)() const,
+                        U (reduce)(V &, W),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, V>
+        (sequence,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         QtConcurrent::FunctionWrapper2<U, V &, W>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename T, typename U, typename V, typename C, typename W>
+C blockingMappedReduced(const Sequence &sequence,
+                        T (map)(U),
+                        V (C::*reduce)(W),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, C>
+        (sequence,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         QtConcurrent::MemberFunctionWrapper1<V, C, W>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Sequence, typename T, typename C, typename U,typename D, typename V>
+D blockingMappedReduced(const Sequence &sequence,
+                        T (C::*map)() const,
+                        U (D::*reduce)(V),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, D>
+        (sequence,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         QtConcurrent::MemberFunctionWrapper1<U, D, V>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Iterator, typename MapFunctor, typename ReduceFunctor>
+ResultType blockingMappedReduced(Iterator begin,
+                                 Iterator end,
+                                 MapFunctor map,
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, ResultType>
+        (begin, end, map, reduce, options).startBlocking();
+}
+
+template <typename Iterator, typename MapFunctor, typename T, typename U, typename V>
+U blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        MapFunctor map,
+                        T (reduce)(U &, V),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, U>
+        (begin,
+         end,
+         map,
+         QtConcurrent::FunctionWrapper2<T, U &, V>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename MapFunctor, typename T, typename C, typename U>
+C blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        MapFunctor map,
+                        T (C::*reduce)(U),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<typename MapFunctor::result_type, C>
+        (begin,
+         end,
+         map,
+         QtConcurrent::MemberFunctionWrapper1<T, C, U>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Iterator, typename T, typename U, typename ReduceFunctor>
+ResultType blockingMappedReduced(Iterator begin,
+                                 Iterator end,
+                                 T (map)(U),
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, ResultType>
+        (begin,
+         end,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         reduce,
+         options)
+        .startBlocking();
+}
+
+template <typename ResultType, typename Iterator, typename T, typename C, typename ReduceFunctor>
+ResultType blockingMappedReduced(Iterator begin,
+                                 Iterator end,
+                                 T (C::*map)() const,
+                                 ReduceFunctor reduce,
+                                 QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, ResultType>
+        (begin,
+         end,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         reduce,
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename W, typename X>
+W blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        T (map)(U),
+                        V (reduce)(W &, X),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, W>
+        (begin,
+         end,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         QtConcurrent::FunctionWrapper2<V, W &, X>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename T, typename C, typename U, typename V, typename W>
+V blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        T (C::*map)() const,
+                        U (reduce)(V &, W),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, V>
+        (begin,
+         end,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         QtConcurrent::FunctionWrapper2<U, V &, W>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename T, typename U, typename V, typename C, typename W>
+C blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        T (map)(U),
+                        V (C::*reduce)(W),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, C>
+        (begin,
+         end,
+         QtConcurrent::FunctionWrapper1<T, U>(map),
+         QtConcurrent::MemberFunctionWrapper1<V, C, W>(reduce),
+         options)
+        .startBlocking();
+}
+
+template <typename Iterator, typename T, typename C, typename U,typename D, typename V>
+D blockingMappedReduced(Iterator begin,
+                        Iterator end,
+                        T (C::*map)() const,
+                        U (D::*reduce)(V),
+                        QtConcurrent::ReduceOptions options = QtConcurrent::ReduceOptions(QtConcurrent::UnorderedReduce | QtConcurrent::SequentialReduce))
+{
+    return QtConcurrent::startMappedReduced<T, D>
+        (begin,
+         end,
+         QtConcurrent::ConstMemberFunctionWrapper<T, C>(map),
+         QtConcurrent::MemberFunctionWrapper1<U, D, V>(reduce),
+         options)
+        .startBlocking();
+}
+
+// mapped() for sequences with a different putput sequence type.
+template <typename OutputSequence, typename InputSequence, typename MapFunctor>
+OutputSequence blockingMapped(const InputSequence &sequence, MapFunctor map)
+{
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename OutputSequence, typename InputSequence, typename T, typename U>
+OutputSequence blockingMapped(const InputSequence &sequence, T (map)(U))
+{
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename OutputSequence, typename InputSequence, typename T, typename C>
+OutputSequence blockingMapped(const InputSequence &sequence, T (C::*map)() const)
+{
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+#ifndef QT_NO_TEMPLATE_TEMPLATE_PARAMETERS
+
+// overloads for changing the container value type:
+template <template <typename> class Sequence, typename MapFunctor, typename T>
+Sequence<typename MapFunctor::result_type> blockingMapped(const Sequence<T> &sequence, MapFunctor map)
+{
+    typedef Sequence<typename MapFunctor::result_type> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                               QtConcurrent::OrderedReduce);
+}
+
+template <template <typename> class Sequence, typename T, typename U, typename V>
+Sequence<U> blockingMapped(const Sequence<T> &sequence, U (map)(V))
+{
+    typedef Sequence<U> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                               QtConcurrent::OrderedReduce);
+}
+
+template <template <typename> class Sequence, typename T, typename U, typename C>
+Sequence<U> blockingMapped(const Sequence<T> &sequence, U (C::*map)() const)
+{
+    typedef Sequence<U> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                               QtConcurrent::OrderedReduce);
+}
+
+#endif // QT_NO_TEMPLATE_TEMPLATE_PARAMETER
+
+// overloads for changing the container value type from a QStringList:
+template <typename MapFunctor>
+QList<typename MapFunctor::result_type> blockingMapped(const QStringList &sequence, MapFunctor map)
+{
+    typedef QList<typename MapFunctor::result_type> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename U, typename V>
+QList<U> blockingMapped(const QStringList &sequence, U (map)(V))
+{
+    typedef QList<U> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename U, typename C>
+QList<U> blockingMapped(const QStringList &sequence, U (C::*map)() const)
+{
+    typedef QList<U> OutputSequence;
+    return blockingMappedReduced(sequence, map, &OutputSequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+// mapped()  for iterator ranges
+template <typename Sequence, typename Iterator, typename MapFunctor>
+Sequence blockingMapped(Iterator begin, Iterator end, MapFunctor map)
+{
+    return blockingMappedReduced(begin, end, map, &Sequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename Sequence, typename Iterator, typename T, typename U>
+Sequence blockingMapped(Iterator begin, Iterator end, T (map)(U))
+{
+    return blockingMappedReduced(begin, end, map, &Sequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+template <typename Sequence, typename Iterator, typename T, typename C>
+Sequence blockingMapped(Iterator begin, Iterator end, T (C::*map)() const)
+{
+    return blockingMappedReduced(begin, end, map, &Sequence::push_back,
+                                 QtConcurrent::OrderedReduce);
+}
+
+} // namespace QtConcurrent
+
+#endif // qdoc
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif // QT_NO_CONCURRENT
+
+#endif