Merge pull request #188 from boostorg/develop

Post beta merge
doc: Fixed filter_view parameter requirements
2018-07-17 21:12:08 +09:00 · 2018-07-07 09:24:55 +09:00 · 2018-07-07 08:11:15 +09:00 · 2018-07-07 01:56:50 +09:00 · 2018-07-07 01:27:20 +09:00 · 2018-07-07 01:23:11 +09:00
62 changed files with 780 additions and 492 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,5 +1,5 @@
 # Copyright 2016, 2017 Peter Dimov
-# Copyright 2017 Kohei Takahashi
+# Copyright 2017-2018 Kohei Takahashi
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)

@ -11,11 +11,6 @@ os:
  - linux
  - osx

-branches:
-  only:
-    - master
-    - develop
-
 env:
  matrix:
    - BOGUS_JOB=true
@ -30,6 +25,20 @@ matrix:
    - os: linux
      env: TOOLSET=gcc CXXSTD=03,11,1y

+    - os: linux
+      env: TOOLSET=gcc-4.4 CXXSTD=98,0x
+      addons:
+        apt:
+          packages:
+            - g++-4.4
+
+    - os: linux
+      env: TOOLSET=gcc-4.6 CXXSTD=03,0x
+      addons:
+        apt:
+          packages:
+            - g++-4.6
+
    - os: linux
      env: TOOLSET=gcc-4.7 CXXSTD=03,11
      addons:
@ -153,6 +162,17 @@ matrix:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-4.0

+    - os: linux
+      env: TOOLSET=clang-5.0 CXXSTD=03,11,14,1z,2a
+      addons:
+        apt:
+          packages:
+            - clang-5.0
+            - libstdc++-4.9-dev
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-5.0
+
    - os: osx
      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z

@ -167,6 +187,7 @@ install:
  - git submodule init libs/bind
  - git submodule init libs/concept_check
  - git submodule init libs/config
+  - git submodule init libs/container_hash
  - git submodule init libs/conversion
  - git submodule init libs/core
  - git submodule init libs/detail
@ -201,4 +222,4 @@ install:
  - ./b2 headers

 script:
-  - ./b2 libs/fusion/test toolset=$TOOLSET cxxstd=$CXXSTD define=RUNNING_ON_TRAVIS=1
+  - ./b2 -j`(nproc || sysctl -n hw.ncpu) 2> /dev/null` libs/fusion/test toolset=$TOOLSET cxxstd=$CXXSTD
--- a/appveyor.yml
+++ b/appveyor.yml
@ -1,5 +1,5 @@
 # Copyright 2016, 2017 Peter Dimov
-# Copyright 2017 Kohei Takahashi
+# Copyright 2017-2018 Kohei Takahashi
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)

@ -7,25 +7,35 @@ version: 1.0.{build}-{branch}

 shallow_clone: true

-branches:
-  only:
-    - master
-    - develop
-
 environment:
  matrix:
    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
      TOOLSET: msvc-9.0
+      CXXSTD: latest # fake
    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
      TOOLSET: msvc-10.0
+      CXXSTD: latest # fake
    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
      TOOLSET: msvc-11.0
+      CXXSTD: latest # fake
    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
      TOOLSET: msvc-12.0
+      CXXSTD: latest # fake
    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
      TOOLSET: msvc-14.0
+      CXXSTD: 14
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      TOOLSET: msvc-14.0
+      CXXSTD: latest
    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
      TOOLSET: msvc-14.1
+      CXXSTD: 14
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: msvc-14.1
+      CXXSTD: 17
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: msvc-14.1
+      CXXSTD: latest

 install:
  - set BOOST_BRANCH=develop
@ -39,6 +49,7 @@ install:
  - git submodule init libs/bind
  - git submodule init libs/concept_check
  - git submodule init libs/config
+  - git submodule init libs/container_hash
  - git submodule init libs/conversion
  - git submodule init libs/core
  - git submodule init libs/detail
@ -71,4 +82,4 @@ install:
 build: off

 test_script:
-  - b2 libs/fusion/test toolset=%TOOLSET% define=RUNNING_ON_APPVEYOR=1
+  - b2 -j%NUMBER_OF_PROCESSORS% --hash libs/fusion/test toolset=%TOOLSET% cxxstd=%CXXSTD%
--- a/doc/adapted.qbk
+++ b/doc/adapted.qbk
@ -23,19 +23,6 @@ various data structures, non-intrusively, as full fledged Fusion sequences.
    #include <boost/fusion/adapted.hpp>
    #include <boost/fusion/include/adapted.hpp>

-Fusion sequences may also be adapted as fully conforming __mpl__ sequences (see
-__intrinsics__). That way, we can have 2-way adaptation to and from __mpl__ and
-Fusion. To make Fusion sequences fully conforming __mpl__ sequences, include:
-
-    #include <boost/fusion/mpl.hpp>
-
-If you want bi-directional adaptation to and from __mpl__ and Fusion, simply
-include:
-
-    #include <boost/fusion/include/mpl.hpp>
-
-The header includes all the necessary headers.
-
 [section:array Array]

 This module provides adapters for arrays. Including the module
@ -145,6 +132,21 @@ header makes all __mpl__ sequences fully conforming fusion sequences.
    std::cout << __at_c__<0>(v) << std::endl;
    std::cout << __at_c__<1>(v) << std::endl;

+[heading Bi-directional adaptation]
+
+Fusion sequences may also be adapted as fully conforming __mpl__ sequences (see
+__intrinsics__). That way, we can have 2-way adaptation to and from __mpl__ and
+Fusion. To make Fusion sequences fully conforming __mpl__ sequences, include:
+
+    #include <boost/fusion/mpl.hpp>
+
+If you want bi-directional adaptation to and from __mpl__ and Fusion, simply
+include:
+
+    #include <boost/fusion/include/mpl.hpp>
+
+The header includes all the necessary headers.
+
 [heading See also]

 __mpl__
--- a/doc/fusion.qbk
+++ b/doc/fusion.qbk
@ -2,6 +2,7 @@
    Copyright (C) 2001-2011 Joel de Guzman
    Copyright (C) 2006 Dan Marsden
    Copyright (C) 2010 Christopher Schmidt
+    Copyright (C) 2018 Kohei Takahashi

    Use, modification and distribution is subject to the Boost Software
    License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
@ -20,39 +21,37 @@
    ]
 ]

-[def __spirit__                 [@http://spirit.sourceforge.net Spirit]]
-[def __phoenix__                [@http://www.boost.org/libs/phoenix/index.html Phoenix]]
-[def __mpl__                    [@http://www.boost.org/libs/mpl/index.html MPL]]
+[def __spirit__                 [@http://boost-spirit.com/home/ Spirit]]
+[def __phoenix__                [@http://www.boost.org/libs/phoenix Phoenix]]
+[def __mpl__                    [@http://www.boost.org/libs/mpl MPL]]
 [def __stl__                    [@http://en.wikipedia.org/wiki/Standard_Template_Library STL]]
-[def __tuple__                  [@http://www.boost.org/libs/tuple/doc/tuple_users_guide.html Boost.Tuple]]
+[def __tuple__                  [@http://www.boost.org/libs/tuple Boost.Tuple]]
 [def __tr1__tuple__             [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2002/n1403.pdf TR1 Tuple]]
 [def __boost_tools__            [@http://www.boost.org/tools/index.html Boost Tools]]
-[def __spirit_list__            [@https://lists.sourceforge.net/lists/listinfo/spirit-general Spirit Mailing List]]
-[def __spirit_general__         [@news://news.gmane.org/gmane.comp.spirit.general Spirit General NNTP news portal]]
-[def __gmane__                  [@http://www.gmane.org Gmane]]
-[def __mlist_archive__          [@http://news.gmane.org/gmane.comp.parsers.spirit.general]]
+[def __spirit_list__            [@https://sourceforge.net/projects/spirit/lists/spirit-general Spirit Mailing List]]
+[def __list_archive__           [@https://sourceforge.net/p/spirit/mailman/spirit-general/ archive]]
 [def __jaakko_jarvi__           [@http://www.boost.org/people/jaakko_jarvi.htm Jaakko Jarvi]]
 [def __david_abrahams__         [@http://www.boost.org/people/dave_abrahams.htm David Abrahams]]
 [def __the_forwarding_problem__ [@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2002/n1385.htm The Forwarding Problem]]

-[def __boost_any__              [@http://www.boost.org/doc/html/any.html Boost.Any]]
+[def __boost_any__              [@http://www.boost.org/libs/any Boost.Any Library]]
 [def __new_iterator_concepts__  [@http://www.boost.org/libs/iterator/doc/new-iter-concepts.html New Iterator Concepts]]
-[def __boost_array_library__    [@http://www.boost.org/doc/html/array.html Boost.Array Library]]
-[def __boost_variant_library__  [@http://www.boost.org/doc/html/variant.html Boost.Variant Library]]
-[def __boost_tuple_library__    [@http://www.boost.org/libs/tuple/doc/tuple_users_guide.html Boost.Tuple Library]]
-[def __boost_ref__              [@http://www.boost.org/doc/html/ref.html Boost.Ref]]
-[def __boost_ref_call__         [@http://www.boost.org/doc/html/ref.html `ref`]]
-[def __boost_result_of__        [@http://www.boost.org/libs/utility/utility.htm#result_of Boost.ResultOf]]
+[def __boost_array_library__    [@http://www.boost.org/libs/array Boost.Array Library]]
+[def __boost_variant_library__  [@http://www.boost.org/libs/variant Boost.Variant Library]]
+[def __boost_tuple_library__    [@http://www.boost.org/libs/tuple Boost.Tuple Library]]
+[def __boost_ref__              [@http://www.boost.org/libs/core/ref.html Ref utility]]
+[def __boost_ref_call__         [@http://www.boost.org/libs/core/ref.html `ref`]]
+[def __boost_result_of__        [@http://www.boost.org/libs/utility/utility.htm#result_of ResultOf utility]]
 [def __boost_result_of_call__   [@http://www.boost.org/libs/utility/utility.htm#result_of `boost::result_of`]]
-[def __boost_enable_if__        [@http://www.boost.org/libs/utility/enable_if.html Boost.EnableIf utility]]
-[def __boost_shared_ptr_call__  [@http://www.boost.org/libs/smart_ptr/shared_ptr.htm `boost::shared_ptr`]]
-[def __boost_func_forward__     [@http://www.boost.org/libs/functional/forward/doc/html/index.html Boost.Functional/Forward]]
-[def __boost_func_factory__     [@http://www.boost.org/libs/functional/factory/doc/html/index.html Boost.Functional/Factory]]
-[def __boost_func_hash__        [@http://www.boost.org/doc/html/hash.html Boost.Functional/Hash]]
-[def __std_pair_doc__           [@http://www.sgi.com/tech/stl/pair.html `std::pair`]]
+[def __boost_enable_if__        [@http://www.boost.org/libs/core/doc/html/core/enable_if.html EnableIf utility]]
+[def __boost_shared_ptr_call__  [@http://www.boost.org/libs/smart_ptr#shared_ptr `boost::shared_ptr`]]
+[def __boost_func_forward__     [@http://www.boost.org/libs/functional/forward Boost.Functional/Forward Library]]
+[def __boost_func_factory__     [@http://www.boost.org/libs/functional/factory Boost.Functional/Factory Library]]
+[def __boost_func_hash__        [@http://www.boost.org/doc/html/hash.html Boost.ContainerHash Library]]
+[def __std_pair_doc__           [@http://en.cppreference.com/w/cpp/utility/pair `std::pair`]]
 [def __std_tuple_doc__          [@http://en.cppreference.com/w/cpp/utility/tuple `std::tuple`]]
-[def __std_plus_doc__           [@http://www.sgi.com/tech/stl/plus.html `std::plus`]]
-[def __std_minus_doc__          [@http://www.sgi.com/tech/stl/minus.html `std::minus`]]
+[def __std_plus_doc__           [@http://en.cppreference.com/w/cpp/utility/functional/plus `std::plus`]]
+[def __std_minus_doc__          [@http://en.cppreference.com/w/cpp/utility/functional/minus `std::minus`]]

 [def __mpl_integral_constant__  [@http://www.boost.org/libs/mpl/doc/refmanual/integral-constant.html MPL Integral Constant]]
 [def __mpl_boolean_constant__   [@http://www.boost.org/libs/mpl/doc/refmanual/integral-constant.html MPL Boolean Constant]]
--- a/doc/preface.qbk
+++ b/doc/preface.qbk
@ -61,11 +61,8 @@ tool. QuickBook can be found in the __boost_tools__.
 [heading Support]

 Please direct all questions to Spirit's mailing list. You can subscribe to the
-__spirit_list__. The mailing list has a searchable archive. A search link to
-this archive is provided in __spirit__'s home page. You may also read and post
-messages to the mailing list through __spirit_general__ (thanks to __gmane__).
-The news group mirrors the mailing list. Here is a link to the archives:
-__mlist_archive__.
+__spirit_list__. The mailing list has a searchable archive. Here is a link to
+the archives: __list_archive__.

 [endsect]

--- a/doc/references.qbk
+++ b/doc/references.qbk
@ -1,6 +1,7 @@
 [/==============================================================================
    Copyright (C) 2001-2011 Joel de Guzman
    Copyright (C) 2006 Dan Marsden
+    Copyright (C) 2018 Kohei Takahashi

    Use, modification and distribution is subject to the Boost Software
    License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
@ -8,20 +9,20 @@
 ===============================================================================/]
 [section References]

-# [@http://boost.org/libs/iterator/doc/new-iter-concepts.html New Iterator Concepts],
+# [@http://www.boost.org/libs/iterator/doc/new-iter-concepts.html New Iterator Concepts],
  David Abrahams, Jeremy Siek, Thomas Witt, 2004-11-01.
-# [@http://boost.org/libs/tuple/doc/tuple_users_guide.html The Boost Tuple Library],
+# [@http://www.boost.org/libs/tuple The Boost Tuple Library],
  Jaakko Jarvi, 2001.
-# [@http://www.boost.org/libs/spirit/ Spirit Parser Library],
+# [@http://www.boost.org/libs/spirit Spirit Parser Library],
  Joel de Guzman, 2001-2006.
-# [@http://www.boost.org/libs/mpl/ The Boost MPL Library],
+# [@http://www.boost.org/libs/mpl The Boost MPL Library],
  Aleksey Gurtovoy and David Abrahams, 2002-2004.
-# [@http://www.boost.org/doc/html/array.html Boost Array],
+# [@http://www.boost.org/libs/array The Boost Array Library],
  Nicolai Josuttis, 2002-2004.
-# [@http://www.sgi.com/tech/stl/ Standard Template Library Programmer's Guide],
-  Hewlett-Packard Company, 1994.
-# [@http://www.boost.org/doc/html/ref.html Boost.Ref],
+# [@http://www.boost.org/libs/core/ref.html Boost.Core / Ref utility],
  Jaakko Jarvi, Peter Dimov, Douglas Gregor, Dave Abrahams, 1999-2002.
+# [@http://www.boost.org/libs/hana The Boost Hana Library],
+  Louis Dionne, 2017.

 [endsect]

--- a/doc/sequence.qbk
+++ b/doc/sequence.qbk
@ -1522,6 +1522,16 @@ each element. Analogously, the global `operator>>` has been overloaded
 to extract __sequence__(s) from generic input streams by recursively
 calling `operator>>` for each element.

+Please note that, to display your adapted types via fusion IO system,
+corresponding overloaded operators should be introduced to same namespace
+of the type.
+
+    namespace your_awesome_library
+    {
+        using boost::fusion::operators::operator>>; // for input
+        using boost::fusion::operators::operator<<; // for output
+        ...
+
 The default delimiter between the elements is space, and the __sequence__
 is enclosed in parenthesis. For Example:

--- a/doc/view.qbk
+++ b/doc/view.qbk
@ -93,10 +93,9 @@ presents only those elements for which its predicate evaluates to
 [heading Template parameters]

 [table
-    [[Parameter]            [Description]               [Default]]
-    [[`Sequence`]           [A __forward_sequence__]    []]
-    [[`Pred`]               [Unary Metafunction
-                             returning an `mpl::bool_`] []]
+    [[Parameter]            [Description]                       [Default]]
+    [[`Sequence`]           [A __forward_sequence__]            []]
+    [[`Pred`]               [A unary __mpl_lambda_expression__] []]
 ]

 [heading Model of]
@ -271,7 +270,7 @@ defined in the implemented models.
 [heading Description]

 `zip_view` presents a view which iterates over a collection of __sequence__(s) in parallel. A `zip_view`
-is constructed from a __sequence__ of references to the component __sequence__s.
+is constructed from a __sequence__ of references to the component `__sequence__`s.

 [heading Header]

@ -287,7 +286,7 @@ is constructed from a __sequence__ of references to the component __sequence__s.

 [table
    [[Parameter]            [Description]                   [Default]]
-    [[`Sequences`]          [A __forward_sequence__ of references to other Fusion __sequence__s]        []]
+    [[`Sequences`]          [A __forward_sequence__ of references to other Fusion `__sequence__`s]        []]
 ]

 [heading Model of]
@ -309,7 +308,7 @@ defined in __forward_sequence__.

 [table
    [[Expression]           [Semantics]]
-    [[`ZV(s)`]              [Creates a `zip_view` given a sequence of references to the component __sequence__s.]]
+    [[`ZV(s)`]              [Creates a `zip_view` given a sequence of references to the component `__sequence__`s.]]
    [[`ZV(zv1)`]             [Copy constructs a `zip_view` from another `zip_view`, `zv`.]]
    [[`zv1 = zv2`]           [Assigns to a `zip_view`, `zv`, from another `zip_view`, `zv2`.]]
 ]
--- a/include/boost/fusion/algorithm/iteration/detail/for_each.hpp
+++ b/include/boost/fusion/algorithm/iteration/detail/for_each.hpp
@ -30,7 +30,7 @@ namespace detail
    template <typename First, typename Last, typename F>
    BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline void
-    for_each_linear(First const& first, Last const& last, F const& f, mpl::false_)
+    for_each_linear(First const& first, Last const& last, F& f, mpl::false_)
    {
        f(*first);
        detail::for_each_linear(fusion::next(first), last, f, 
@ -41,7 +41,7 @@ namespace detail
    template <typename Sequence, typename F, typename Tag>
    BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline void
-    for_each_dispatch(Sequence& seq, F const& f, Tag)
+    for_each_dispatch(Sequence& seq, F& f, Tag)
    {
        detail::for_each_linear(
                                fusion::begin(seq)
@ -57,7 +57,7 @@ namespace detail
    {
        template<typename I0, typename F>
        BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-        static void call(I0 const& i0, F const& f)
+        static void call(I0 const& i0, F& f)
        {
            f(*i0);
            typedef typename result_of::next<I0>::type I1;
@ -78,7 +78,7 @@ namespace detail
    {
        template<typename I0, typename F>
        BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-        static void call(I0 const& i0, F const& f)
+        static void call(I0 const& i0, F& f)
        {
            f(*i0);
            typedef typename result_of::next<I0>::type I1;
@ -95,7 +95,7 @@ namespace detail
    {
        template<typename I0, typename F>
        BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-        static void call(I0 const& i0, F const& f)
+        static void call(I0 const& i0, F& f)
        {
            f(*i0);
            typedef typename result_of::next<I0>::type I1;
@ -109,7 +109,7 @@ namespace detail
    {
        template<typename I0, typename F>
        BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-        static void call(I0 const& i0, F const& f)
+        static void call(I0 const& i0, F& f)
        {
            f(*i0);
        }
@ -128,7 +128,7 @@ namespace detail
    template <typename Sequence, typename F>
    BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline void
-    for_each_dispatch(Sequence& seq, F const& f, random_access_traversal_tag)
+    for_each_dispatch(Sequence& seq, F& f, random_access_traversal_tag)
    {
        typedef typename result_of::begin<Sequence>::type begin;
        typedef typename result_of::end<Sequence>::type end;
@ -138,7 +138,7 @@ namespace detail
    template <typename Sequence, typename F>
    BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline void
-    for_each(Sequence& seq, F const& f, mpl::false_) // unsegmented implementation
+    for_each(Sequence& seq, F& f, mpl::false_) // unsegmented implementation
    {
        detail::for_each_dispatch(seq, f, typename traits::category_of<Sequence>::type());
    }
--- a/include/boost/fusion/algorithm/iteration/detail/segmented_for_each.hpp
+++ b/include/boost/fusion/algorithm/iteration/detail/segmented_for_each.hpp
@ -19,11 +19,11 @@ namespace boost { namespace fusion { namespace detail
    struct segmented_for_each_fun
    {
        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-        explicit segmented_for_each_fun(Fun const& f)
+        explicit segmented_for_each_fun(Fun& f)
          : fun(f)
        {}

-        Fun const& fun;
+        Fun& fun;

        template <typename Sequence, typename State, typename Context>
        struct apply
@ -43,7 +43,7 @@ namespace boost { namespace fusion { namespace detail
    template <typename Sequence, typename F>
    BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline void
-    for_each(Sequence& seq, F const& f, mpl::true_) // segmented implementation
+    for_each(Sequence& seq, F& f, mpl::true_) // segmented implementation
    {
        fusion::segmented_fold_until(seq, void_(), segmented_for_each_fun<F>(f));
    }
--- a/include/boost/fusion/algorithm/iteration/for_each.hpp
+++ b/include/boost/fusion/algorithm/iteration/for_each.hpp
@ -1,6 +1,7 @@
 /*=============================================================================
    Copyright (c) 2001-2007 Joel de Guzman
    Copyright (c) 2007 Dan Marsden
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -13,7 +14,7 @@
 #include <boost/fusion/algorithm/iteration/detail/segmented_for_each.hpp>
 #include <boost/fusion/support/is_segmented.hpp>
 #include <boost/fusion/support/is_sequence.hpp>
-#include <boost/utility/enable_if.hpp>
+#include <boost/core/enable_if.hpp>

 namespace boost { namespace fusion
 {
@ -28,24 +29,16 @@ namespace boost { namespace fusion

    template <typename Sequence, typename F>
    BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-    inline typename
-        enable_if<
-            traits::is_sequence<Sequence>
-          , void
-        >::type
-    for_each(Sequence& seq, F const& f)
+    inline typename enable_if<traits::is_sequence<Sequence> >::type
+    for_each(Sequence& seq, F f)
    {
        detail::for_each(seq, f, typename traits::is_segmented<Sequence>::type());
    }

    template <typename Sequence, typename F>
    BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-    inline typename
-        enable_if<
-            traits::is_sequence<Sequence>
-          , void
-        >::type
-    for_each(Sequence const& seq, F const& f)
+    inline typename enable_if<traits::is_sequence<Sequence> >::type
+    for_each(Sequence const& seq, F f)
    {
        detail::for_each(seq, f, typename traits::is_segmented<Sequence>::type());
    }
--- a/include/boost/fusion/algorithm/iteration/for_each_fwd.hpp
+++ b/include/boost/fusion/algorithm/iteration/for_each_fwd.hpp
@ -1,5 +1,6 @@
 /*=============================================================================
    Copyright (c) 2011 Eric Niebler
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -9,7 +10,7 @@

 #include <boost/fusion/support/config.hpp>
 #include <boost/fusion/support/is_sequence.hpp>
-#include <boost/utility/enable_if.hpp>
+#include <boost/core/enable_if.hpp>

 namespace boost { namespace fusion
 {
@ -21,21 +22,13 @@ namespace boost { namespace fusion

    template <typename Sequence, typename F>
    BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-    inline typename
-        enable_if<
-            traits::is_sequence<Sequence>
-          , void
-        >::type
-    for_each(Sequence& seq, F const& f);
+    inline typename enable_if<traits::is_sequence<Sequence> >::type
+    for_each(Sequence& seq, F f);

    template <typename Sequence, typename F>
    BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-    inline typename
-        enable_if<
-            traits::is_sequence<Sequence>
-          , void
-        >::type
-    for_each(Sequence const& seq, F const& f);
+    inline typename enable_if<traits::is_sequence<Sequence> >::type
+    for_each(Sequence const& seq, F f);
 }}

 #endif
--- a/include/boost/fusion/container/deque/detail/cpp03/as_deque.hpp
+++ b/include/boost/fusion/container/deque/detail/cpp03/as_deque.hpp
@ -26,7 +26,13 @@ namespace boost { namespace fusion { namespace detail
 BOOST_FUSION_BARRIER_BEGIN

    template <int size>
-    struct as_deque;
+    struct as_deque
+    {
+        BOOST_STATIC_ASSERT_MSG(
+            size <= FUSION_MAX_DEQUE_SIZE
+          , "FUSION_MAX_DEQUE_SIZE limit is too low"
+        );
+    };

    template <>
    struct as_deque<0>
--- a/include/boost/fusion/container/deque/detail/keyed_element.hpp
+++ b/include/boost/fusion/container/deque/detail/keyed_element.hpp
@ -13,6 +13,11 @@
 #include <boost/fusion/iterator/deref.hpp>
 #include <boost/fusion/iterator/next.hpp>

+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && BOOST_WORKAROUND(BOOST_GCC, / 100 == 404)
+#include <boost/core/enable_if.hpp>
+#include <boost/type_traits/is_same.hpp>
+#endif
+
 namespace boost { namespace fusion
 {
    struct fusion_sequence_tag;
@ -114,8 +119,13 @@ namespace boost { namespace fusion { namespace detail
        {}

 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+#if BOOST_WORKAROUND(BOOST_GCC, / 100 == 404)
+        template <typename Value_, typename = typename enable_if<is_same<Value_, Value> >::type>
+#else
+        typedef Value Value_;
+#endif
        BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-        keyed_element(Value&& value, Rest&& rest)
+        keyed_element(Value_&& value, Rest&& rest)
            : Rest(std::move(rest))
            , value_(BOOST_FUSION_FWD_ELEM(Value, value))
        {}
--- a/include/boost/fusion/container/list/cons.hpp
+++ b/include/boost/fusion/container/list/cons.hpp
@ -70,6 +70,10 @@ namespace boost { namespace fusion
        cons(cons<Car2, Cdr2> const& rhs)
            : car(rhs.car), cdr(rhs.cdr) {}

+#if BOOST_WORKAROUND(BOOST_GCC, / 100 == 406) && !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)
+        // Workaround for `array used as initializer` compile error on gcc 4.6 w/ c++0x.
+        template <typename = void>
+#endif
        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
        cons(cons const& rhs)
            : car(rhs.car), cdr(rhs.cdr) {}
--- a/include/boost/fusion/container/map/detail/cpp03/as_map.hpp
+++ b/include/boost/fusion/container/map/detail/cpp03/as_map.hpp
@ -25,7 +25,13 @@ namespace boost { namespace fusion { namespace detail
 BOOST_FUSION_BARRIER_BEGIN

    template <int size, bool is_assoc>
-    struct as_map;
+    struct as_map
+    {
+        BOOST_STATIC_ASSERT_MSG(
+            size <= FUSION_MAX_MAP_SIZE
+          , "FUSION_MAX_MAP_SIZE limit is too low"
+        );
+    };

    template <bool is_assoc>
    struct as_map<0, is_assoc>
--- a/include/boost/fusion/container/map/detail/map_impl.hpp
+++ b/include/boost/fusion/container/map/detail/map_impl.hpp
@ -125,11 +125,7 @@ namespace boost { namespace fusion { namespace detail
        }

        BOOST_FUSION_GPU_ENABLED
-        value_type get_val(mpl::identity<key_type>);
-        BOOST_FUSION_GPU_ENABLED
-        pair_type get_val(mpl::int_<index>);
-        BOOST_FUSION_GPU_ENABLED
-        value_type get_val(mpl::identity<key_type>) const;
+        mpl::identity<value_type> get_val(mpl::identity<key_type>) const;
        BOOST_FUSION_GPU_ENABLED
        pair_type get_val(mpl::int_<index>) const;

--- a/include/boost/fusion/container/map/detail/value_at_key_impl.hpp
+++ b/include/boost/fusion/container/map/detail/value_at_key_impl.hpp
@ -1,5 +1,6 @@
 /*=============================================================================
    Copyright (c) 2001-2013 Joel de Guzman
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -8,10 +9,6 @@
 #define BOOST_FUSION_MAP_DETAIL_VALUE_AT_KEY_IMPL_02042013_0821

 #include <boost/fusion/support/config.hpp>
-#include <boost/fusion/support/detail/access.hpp>
-#include <boost/type_traits/is_const.hpp>
-#include <boost/mpl/at.hpp>
-#include <boost/mpl/identity.hpp>
 #include <boost/utility/declval.hpp>

 namespace boost { namespace fusion
@ -29,9 +26,9 @@ namespace boost { namespace fusion
            template <typename Sequence, typename Key>
            struct apply
            {
-                typedef
-                    decltype(boost::declval<Sequence>().get_val(mpl::identity<Key>()))
-                type;
+                typedef typename BOOST_FUSION_IDENTIFIED_TYPE((
+                    boost::declval<Sequence>().get_val(mpl::identity<Key>())
+                )) type;
            };
        };
    }
--- a/include/boost/fusion/container/map/map.hpp
+++ b/include/boost/fusion/container/map/map.hpp
@ -67,24 +67,21 @@ namespace boost { namespace fusion
          : base_type(std::forward<map>(seq))
        {}

-        template <typename Sequence>
+        template <typename Sequence, typename = typename enable_if<traits::is_sequence<Sequence>>::type>
        BOOST_FUSION_GPU_ENABLED
-        map(Sequence const& seq
-          , typename enable_if<traits::is_sequence<Sequence>, detail::enabler_>::type = detail::enabler)
+        map(Sequence const& seq)
          : base_type(begin(seq), detail::map_impl_from_iterator())
        {}

-        template <typename Sequence>
+        template <typename Sequence, typename = typename enable_if<traits::is_sequence<Sequence>>::type>
        BOOST_FUSION_GPU_ENABLED
-        map(Sequence& seq
-          , typename enable_if<traits::is_sequence<Sequence>, detail::enabler_>::type = detail::enabler)
+        map(Sequence& seq)
          : base_type(begin(seq), detail::map_impl_from_iterator())
        {}

-        template <typename Sequence>
+        template <typename Sequence, typename = typename enable_if<traits::is_sequence<Sequence>>::type>
        BOOST_FUSION_GPU_ENABLED
-        map(Sequence&& seq
-          , typename enable_if<traits::is_sequence<Sequence>, detail::enabler_>::type = detail::enabler)
+        map(Sequence&& seq)
          : base_type(begin(seq), detail::map_impl_from_iterator())
        {}

--- a/include/boost/fusion/container/set/detail/cpp03/as_set.hpp
+++ b/include/boost/fusion/container/set/detail/cpp03/as_set.hpp
@ -25,7 +25,13 @@ namespace boost { namespace fusion { namespace detail
 BOOST_FUSION_BARRIER_BEGIN

    template <int size>
-    struct as_set;
+    struct as_set
+    {
+        BOOST_STATIC_ASSERT_MSG(
+            size <= FUSION_MAX_SET_SIZE
+          , "FUSION_MAX_SET_SIZE limit is too low"
+        );
+    };

    template <>
    struct as_set<0>
--- a/include/boost/fusion/container/vector/detail/cpp03/as_vector.hpp
+++ b/include/boost/fusion/container/vector/detail/cpp03/as_vector.hpp
@ -25,7 +25,13 @@ namespace boost { namespace fusion { namespace detail
 BOOST_FUSION_BARRIER_BEGIN

    template <int size>
-    struct as_vector;
+    struct as_vector
+    {
+        BOOST_STATIC_ASSERT_MSG(
+            size <= FUSION_MAX_VECTOR_SIZE
+          , "FUSION_MAX_VECTOR_SIZE limit is too low"
+        );
+    };

    template <>
    struct as_vector<0>
--- a/include/boost/fusion/container/vector/detail/value_at_impl.hpp
+++ b/include/boost/fusion/container/vector/detail/value_at_impl.hpp
@ -1,5 +1,5 @@
 /*=============================================================================
-    Copyright (c) 2014 Kohei Takahashi
+    Copyright (c) 2014,2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -7,7 +7,6 @@
 #ifndef FUSION_VALUE_AT_IMPL_16122014_1641
 #define FUSION_VALUE_AT_IMPL_16122014_1641

-#include <boost/config.hpp>
 #include <boost/fusion/support/config.hpp>
 #include <boost/fusion/container/vector/detail/config.hpp>

@ -23,6 +22,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 #include <boost/fusion/container/vector/vector_fwd.hpp>
 #include <boost/type_traits/declval.hpp>
+#include <boost/mpl/identity.hpp>

 namespace boost { namespace fusion
 {
@ -35,7 +35,7 @@ namespace boost { namespace fusion

        template <std::size_t N, typename U>
        static inline BOOST_FUSION_GPU_ENABLED
-        U value_at_impl(store<N, U> const volatile*);
+        mpl::identity<U> value_at_impl(store<N, U> const volatile*);
    }

    namespace extension
@ -49,9 +49,9 @@ namespace boost { namespace fusion
            template <typename Sequence, typename N>
            struct apply
            {
-                typedef
-                    decltype(vector_detail::value_at_impl<N::value>(boost::declval<Sequence*>()))
-                type;
+                typedef typename BOOST_FUSION_IDENTIFIED_TYPE((
+                    vector_detail::value_at_impl<N::value>(boost::declval<Sequence*>())
+                )) type;
            };
        };
    }
--- a/include/boost/fusion/container/vector/vector.hpp
+++ b/include/boost/fusion/container/vector/vector.hpp
@ -247,14 +247,14 @@ namespace boost { namespace fusion

            template <typename J>
            BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-            auto at_impl(J) -> decltype(at_detail<J::value>(this))
+            auto at_impl(J) -> decltype(at_detail<J::value>(&std::declval<vector_data&>()))
            {
                return at_detail<J::value>(this);
            }

            template <typename J>
            BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-            auto at_impl(J) const -> decltype(at_detail<J::value>(this))
+            auto at_impl(J) const -> decltype(at_detail<J::value>(&std::declval<vector_data const&>()))
            {
                return at_detail<J::value>(this);
            }
--- a/include/boost/fusion/support/category_of.hpp
+++ b/include/boost/fusion/support/category_of.hpp
@ -8,7 +8,6 @@
 #define FUSION_CATEGORY_OF_07202005_0308

 #include <boost/fusion/support/config.hpp>
-#include <boost/fusion/support/detail/category_of.hpp>
 #include <boost/fusion/support/tag_of.hpp>
 #include <boost/type_traits/is_base_of.hpp>

@ -44,7 +43,10 @@ namespace boost { namespace fusion
        struct category_of_impl
        {
            template<typename T>
-            struct apply : detail::fusion_category_of<T> {};
+            struct apply
+            {
+                typedef typename T::category type;
+            };
        };

        template <>
--- a/include/boost/fusion/support/config.hpp
+++ b/include/boost/fusion/support/config.hpp
@ -1,6 +1,6 @@
 /*=============================================================================
    Copyright (c) 2014 Eric Niebler
-    Copyright (c) 2014 Kohei Takahashi
+    Copyright (c) 2014,2015,2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -96,4 +96,24 @@ namespace std
 #define BOOST_FUSION_CONSTEXPR_THIS BOOST_CONSTEXPR
 #endif

+
+// Workaround for compiler which doesn't compile decltype(expr)::type.
+// It expects decltype(expr) deduced as mpl::identity<T>.
+#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1913)) || BOOST_WORKAROUND(BOOST_GCC, < 40700)
+#   include <boost/mpl/identity.hpp>
+#   define BOOST_FUSION_IDENTIFIED_TYPE(parenthesized_expr) \
+        boost::mpl::identity<decltype parenthesized_expr>::type::type
+#else
+#   define BOOST_FUSION_IDENTIFIED_TYPE(parenthesized_expr) \
+        decltype parenthesized_expr ::type
+#endif
+
+
+// Workaround for GCC 4.6 that rejects defaulted function with noexcept.
+#if BOOST_WORKAROUND(BOOST_GCC, / 100 == 406)
+#   define BOOST_FUSION_NOEXCEPT_ON_DEFAULTED
+#else
+#   define BOOST_FUSION_NOEXCEPT_ON_DEFAULTED BOOST_NOEXCEPT
+#endif
+
 #endif
--- a/include/boost/fusion/support/detail/and.hpp
+++ b/include/boost/fusion/support/detail/and.hpp
@ -1,5 +1,6 @@
 /*=============================================================================
    Copyright (c) 2016 Lee Clagett
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -8,6 +9,7 @@
 #define FUSION_AND_07152016_1625

 #include <boost/config.hpp>
+#include <boost/config/workaround.hpp>
 #include <boost/type_traits/integral_constant.hpp>

 #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
@ -15,6 +17,8 @@
 #endif

 namespace boost { namespace fusion { namespace detail {
+#if defined(BOOST_NO_CXX17_FOLD_EXPRESSIONS) \
+ || BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1913))
    template<typename ...Cond>
    struct and_impl : false_type {};

@ -34,6 +38,10 @@ namespace boost { namespace fusion { namespace detail {
         recursive. */
    template<typename ...Cond>
    struct and_ : and_impl1<Cond::value...> {};
+#else
+    template <typename ...Cond>
+    struct and_ : integral_constant<bool, ((bool)Cond::value && ...)> {};
+#endif
 }}}

 #endif // FUSION_AND_07152016_1625
--- a/include/boost/fusion/support/detail/category_of.hpp
+++ b/include/boost/fusion/support/detail/category_of.hpp
@ -1,19 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2011 Joel de Guzman
-
-    Distributed under the Boost Software License, Version 1.0. (See accompanying 
-    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-==============================================================================*/
-#if !defined(FUSION_CATEGORY_OF_07212005_1025)
-#define FUSION_CATEGORY_OF_07212005_1025
-
-namespace boost { namespace fusion { namespace detail
-{
-    template <typename T>
-    struct fusion_category_of
-    {
-        typedef typename T::category type;
-    };
-}}}
-
-#endif
--- a/include/boost/fusion/support/detail/is_mpl_sequence.hpp
+++ b/include/boost/fusion/support/detail/is_mpl_sequence.hpp
@ -9,18 +9,17 @@
 #define FUSION_DETAIL_IS_MPL_SEQUENCE_29122006_1105

 #include <boost/fusion/support/config.hpp>
-#include <boost/fusion/support/sequence_base.hpp>
+#include <boost/fusion/support/detail/is_native_fusion_sequence.hpp>
 #include <boost/mpl/is_sequence.hpp>
 #include <boost/mpl/and.hpp>
 #include <boost/mpl/not.hpp>
-#include <boost/type_traits/is_convertible.hpp>

 namespace boost { namespace fusion { namespace detail
 {
    template <typename T>
    struct is_mpl_sequence
        : mpl::and_<
-            mpl::not_<is_convertible<T, from_sequence_convertible_type> >
+            mpl::not_<is_native_fusion_sequence<T> >
          , mpl::is_sequence<T> >
    {};
 }}}
--- a/include/boost/fusion/support/detail/is_native_fusion_sequence.hpp
+++ b/include/boost/fusion/support/detail/is_native_fusion_sequence.hpp
@ -0,0 +1,27 @@
+/*=============================================================================
+    Copyright (c) 2018 Kohei Takahashi
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#ifndef BOOST_FUSION_IS_NATIVE_FUSION_SEQUENCE
+#define BOOST_FUSION_IS_NATIVE_FUSION_SEQUENCE
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/support/sequence_base.hpp>
+#include <boost/mpl/and.hpp>
+#include <boost/type_traits/is_complete.hpp>
+#include <boost/type_traits/is_convertible.hpp>
+
+namespace boost { namespace fusion { namespace detail
+{
+    template <typename Sequence>
+    struct is_native_fusion_sequence
+      : mpl::and_<
+          is_complete<Sequence>
+        , is_convertible<Sequence, detail::from_sequence_convertible_type>
+      >
+    {};
+}}}
+
+#endif
--- a/include/boost/fusion/support/detail/is_view.hpp
+++ b/include/boost/fusion/support/detail/is_view.hpp
@ -1,19 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2011 Joel de Guzman
-
-    Distributed under the Boost Software License, Version 1.0. (See accompanying 
-    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-==============================================================================*/
-#if !defined(FUSION_IS_VIEW_03202006_0018)
-#define FUSION_IS_VIEW_03202006_0018
-
-namespace boost { namespace fusion { namespace detail
-{
-    template <typename T>
-    struct fusion_is_view
-    {
-        typedef typename T::is_view type;
-    };
-}}}
-
-#endif
--- a/include/boost/fusion/support/detail/unknown_key.hpp
+++ b/include/boost/fusion/support/detail/unknown_key.hpp
@ -1,16 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2011 Joel de Guzman
-
-    Distributed under the Boost Software License, Version 1.0. (See accompanying 
-    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-==============================================================================*/
-#if !defined(FUSION_UNKNOWN_KEY_09242005_1219)
-#define FUSION_UNKNOWN_KEY_09242005_1219
-
-namespace boost { namespace fusion { namespace detail
-{
-    template <int index>
-    struct unknown_key {};
-}}}
-
-#endif
--- a/include/boost/fusion/support/is_sequence.hpp
+++ b/include/boost/fusion/support/is_sequence.hpp
@ -10,11 +10,10 @@
 #include <boost/fusion/support/config.hpp>
 #include <boost/fusion/support/sequence_base.hpp>
 #include <boost/fusion/support/tag_of.hpp>
-#include <boost/mpl/is_sequence.hpp>
-#include <boost/mpl/or.hpp>
+#include <boost/fusion/support/detail/is_native_fusion_sequence.hpp>
 #include <boost/mpl/bool.hpp>
+#include <boost/mpl/is_sequence.hpp>
 #include <boost/type_traits/is_convertible.hpp>
-#include <boost/type_traits/is_same.hpp>

 namespace boost { namespace fusion
 {
@ -67,10 +66,7 @@ namespace boost { namespace fusion
            >
        {};

-        template <typename Sequence, typename Enable = void>
-        struct is_native_fusion_sequence
-          : is_convertible<Sequence, fusion::detail::from_sequence_convertible_type>
-        {};
+        using detail::is_native_fusion_sequence;
    }
 }}

--- a/include/boost/fusion/support/is_view.hpp
+++ b/include/boost/fusion/support/is_view.hpp
@ -9,7 +9,6 @@

 #include <boost/fusion/support/config.hpp>
 #include <boost/mpl/bool.hpp>
-#include <boost/fusion/support/detail/is_view.hpp>
 #include <boost/fusion/support/tag_of.hpp>

 namespace boost { namespace fusion
@ -28,8 +27,9 @@ namespace boost { namespace fusion
        {
            template <typename T>
            struct apply
-                : detail::fusion_is_view<T>
-            {};
+            {
+                typedef typename T::is_view type;
+            };
        };

        template <>
--- a/include/boost/fusion/support/unused.hpp
+++ b/include/boost/fusion/support/unused.hpp
@ -1,5 +1,6 @@
 /*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -10,7 +11,6 @@
 #include <boost/fusion/support/config.hpp>
 #include <iosfwd>

-#include <boost/config.hpp>
 #if defined(BOOST_MSVC)
 # pragma warning(push)
 # pragma warning(disable: 4522) // multiple assignment operators specified warning
@ -23,9 +23,16 @@ namespace boost { namespace fusion
    struct unused_type
    {
        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-        unused_type() BOOST_NOEXCEPT
+        BOOST_DEFAULTED_FUNCTION(
+        unused_type() BOOST_FUSION_NOEXCEPT_ON_DEFAULTED,
        {
-        }
+        })
+
+        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+        BOOST_DEFAULTED_FUNCTION(
+        unused_type(unused_type const&) BOOST_FUSION_NOEXCEPT_ON_DEFAULTED,
+        {
+        })

        template <typename T>
        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
@ -33,35 +40,12 @@ namespace boost { namespace fusion
        {
        }

-        template <typename T>
-        BOOST_FUSION_CONSTEXPR_THIS BOOST_FUSION_GPU_ENABLED
-        unused_type const&
-        operator=(T const&) const BOOST_NOEXCEPT
-        {
-            return *this;
-        }
-
-        template <typename T>
-        BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-        unused_type&
-        operator=(T const&) BOOST_NOEXCEPT
-        {
-            return *this;
-        }
-
        BOOST_FUSION_CONSTEXPR_THIS BOOST_FUSION_GPU_ENABLED
        unused_type const&
        operator=(unused_type const&) const BOOST_NOEXCEPT
        {
            return *this;
        }
-
-        BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
-        unused_type&
-        operator=(unused_type const&) BOOST_NOEXCEPT
-        {
-            return *this;
-        }
    };

    BOOST_CONSTEXPR_OR_CONST unused_type unused = unused_type();
--- a/include/boost/fusion/view/transform_view/detail/apply_transform_result.hpp
+++ b/include/boost/fusion/view/transform_view/detail/apply_transform_result.hpp
@ -1,38 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2011 Joel de Guzman
-    Copyright (c) 2007 Dan Marsden
-
-    Distributed under the Boost Software License, Version 1.0. (See accompanying 
-    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-==============================================================================*/
-#if !defined(BOOST_FUSION_APPLY_TRANSFORM_RESULT_02092006_1936)
-#define BOOST_FUSION_APPLY_TRANSFORM_RESULT_02092006_1936
-
-#include <boost/fusion/support/config.hpp>
-#include <boost/utility/result_of.hpp>
-
-namespace boost { namespace fusion
-{
-    struct void_;
-    
-    namespace detail
-    {
-        template <typename F>
-        struct apply_transform_result
-        {
-            template <typename T0, typename T1 = void_>
-            struct apply
-                : boost::result_of<F(T0, T1)>
-            {};
-
-            template <typename T0>
-            struct apply<T0, void_>
-                : boost::result_of<F(T0)>
-            {};
-        };
-    }
-}}
-
-#endif
-
-
--- a/include/boost/fusion/view/transform_view/detail/at_impl.hpp
+++ b/include/boost/fusion/view/transform_view/detail/at_impl.hpp
@ -1,6 +1,7 @@
 /*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
    Copyright (c) 2005-2006 Dan Marsden
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -9,9 +10,8 @@
 #define BOOST_FUSION_AT_IMPL_20061029_1946

 #include <boost/fusion/support/config.hpp>
-#include <boost/mpl/apply.hpp>
-#include <boost/fusion/view/transform_view/detail/apply_transform_result.hpp>
 #include <boost/fusion/sequence/intrinsic/at.hpp>
+#include <boost/utility/result_of.hpp>

 namespace boost { namespace fusion {
    struct transform_view_tag;
@ -29,9 +29,8 @@ namespace boost { namespace fusion {
            struct apply
            {
                typedef typename Seq::transform_type F;
-                typedef detail::apply_transform_result<F> transform_type;
-                typedef typename boost::fusion::result_of::at<typename Seq::sequence_type, N>::type value_type;
-                typedef typename mpl::apply<transform_type, value_type>::type type;
+                typedef typename result_of::at<typename Seq::sequence_type, N>::type value_type;
+                typedef typename boost::result_of<F(value_type)>::type type;

                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
                static type call(Seq& seq)
@ -48,10 +47,9 @@ namespace boost { namespace fusion {
            struct apply
            {
                typedef typename Seq::transform_type F;
-                typedef detail::apply_transform_result<F> transform_type;
-                typedef typename boost::fusion::result_of::at<typename Seq::sequence1_type, N>::type value1_type;
-                typedef typename boost::fusion::result_of::at<typename Seq::sequence2_type, N>::type value2_type;
-                typedef typename mpl::apply<transform_type, value1_type, value2_type>::type type;
+                typedef typename result_of::at<typename Seq::sequence1_type, N>::type value1_type;
+                typedef typename result_of::at<typename Seq::sequence2_type, N>::type value2_type;
+                typedef typename boost::result_of<F(value1_type, value2_type)>::type type;

                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
                static type call(Seq& seq)
--- a/include/boost/fusion/view/transform_view/detail/deref_impl.hpp
+++ b/include/boost/fusion/view/transform_view/detail/deref_impl.hpp
@ -1,5 +1,6 @@
 /*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -8,10 +9,8 @@
 #define FUSION_DEREF_IMPL_07162005_1026

 #include <boost/fusion/support/config.hpp>
-#include <boost/mpl/apply.hpp>
 #include <boost/fusion/iterator/deref.hpp>
-#include <boost/fusion/iterator/value_of.hpp>
-#include <boost/fusion/view/transform_view/detail/apply_transform_result.hpp>
+#include <boost/utility/result_of.hpp>

 namespace boost { namespace fusion
 {
@ -34,8 +33,8 @@ namespace boost { namespace fusion
                    result_of::deref<typename Iterator::first_type>::type
                value_type;

-                typedef detail::apply_transform_result<typename Iterator::transform_type> transform_type;
-                typedef typename mpl::apply<transform_type, value_type>::type type;
+                typedef typename Iterator::transform_type F;
+                typedef typename boost::result_of<F(value_type)>::type type;

                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
                static type
@ -60,8 +59,8 @@ namespace boost { namespace fusion
                    result_of::deref<typename Iterator::first2_type>::type
                value2_type;

-                typedef detail::apply_transform_result<typename Iterator::transform_type> transform_type;
-                typedef typename mpl::apply<transform_type, value1_type, value2_type>::type type;
+                typedef typename Iterator::transform_type F;
+                typedef typename boost::result_of<F(value1_type, value2_type)>::type type;

                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
                static type
@ -70,7 +69,7 @@ namespace boost { namespace fusion
                    return i.f(*i.first1, *i.first2);
                }
            };
-        };    
+        };
    }
 }}

--- a/include/boost/fusion/view/transform_view/detail/value_at_impl.hpp
+++ b/include/boost/fusion/view/transform_view/detail/value_at_impl.hpp
@ -1,6 +1,7 @@
 /*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
    Copyright (c) 2005-2006 Dan Marsden
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -9,9 +10,8 @@
 #define BOOST_FUSION_VALUE_AT_IMPL_20061101_0745

 #include <boost/fusion/support/config.hpp>
-#include <boost/mpl/apply.hpp>
-#include <boost/fusion/view/transform_view/detail/apply_transform_result.hpp>
 #include <boost/fusion/sequence/intrinsic/value_at.hpp>
+#include <boost/utility/result_of.hpp>

 namespace boost { namespace fusion {
    struct transform_view_tag;
@ -29,9 +29,8 @@ namespace boost { namespace fusion {
            struct apply
            {
                typedef typename Seq::transform_type F;
-                typedef detail::apply_transform_result<F> transform_type;
-                typedef typename boost::fusion::result_of::value_at<typename Seq::sequence_type, N>::type value_type;
-                typedef typename mpl::apply<transform_type, value_type>::type type;
+                typedef typename result_of::value_at<typename Seq::sequence_type, N>::type value_type;
+                typedef typename boost::result_of<F(value_type)>::type type;
            };
        };

@ -42,10 +41,9 @@ namespace boost { namespace fusion {
            struct apply
            {
                typedef typename Seq::transform_type F;
-                typedef detail::apply_transform_result<F> transform_type;
-                typedef typename boost::fusion::result_of::value_at<typename Seq::sequence1_type, N>::type value1_type;
-                typedef typename boost::fusion::result_of::value_at<typename Seq::sequence2_type, N>::type value2_type;
-                typedef typename mpl::apply<transform_type, value1_type, value2_type>::type type;
+                typedef typename result_of::value_at<typename Seq::sequence1_type, N>::type value1_type;
+                typedef typename result_of::value_at<typename Seq::sequence2_type, N>::type value2_type;
+                typedef typename boost::result_of<F(value1_type, value2_type)>::type type;
            };
        };
    }
--- a/include/boost/fusion/view/transform_view/detail/value_of_impl.hpp
+++ b/include/boost/fusion/view/transform_view/detail/value_of_impl.hpp
@ -1,5 +1,6 @@
 /*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -8,9 +9,8 @@
 #define FUSION_VALUE_OF_IMPL_07162005_1030

 #include <boost/fusion/support/config.hpp>
-#include <boost/mpl/apply.hpp>
 #include <boost/fusion/iterator/value_of.hpp>
-#include <boost/fusion/view/transform_view/detail/apply_transform_result.hpp>
+#include <boost/utility/result_of.hpp>

 namespace boost { namespace fusion
 {
@ -33,8 +33,8 @@ namespace boost { namespace fusion
                    result_of::value_of<typename Iterator::first_type>::type
                value_type;

-                typedef detail::apply_transform_result<typename Iterator::transform_type> transform_type;
-                typedef typename mpl::apply<transform_type, value_type>::type type;
+                typedef typename Iterator::transform_type F;
+                typedef typename boost::result_of<F(value_type)>::type type;
            };
        };

@ -52,8 +52,8 @@ namespace boost { namespace fusion
                    result_of::value_of<typename Iterator::first2_type>::type
                value2_type;

-                typedef detail::apply_transform_result<typename Iterator::transform_type> transform_type;
-                typedef typename mpl::apply<transform_type, value1_type, value2_type>::type type;
+                typedef typename Iterator::transform_type F;
+                typedef typename boost::result_of<F(value1_type, value2_type)>::type type;
            };
        };
    }
--- a/meta/explicit-failures-markup.xml
+++ b/meta/explicit-failures-markup.xml
@ -9,8 +9,8 @@
            <toolset name="msvc-11.0"/>
            <toolset name="msvc-12.0"/>
            <toolset name="qcc-4.4.2_x86"/>
-            <toolset name="gcc-gnu-4.4~c++0x*"/>
-            <toolset name="gcc-gnu-4.4~gnu0x*"/>
+            <toolset name="gcc-4.4~c++0x*"/>
+            <toolset name="gcc-4.4~gnu0x*"/>
            <note author="Kohei Takahashi">
                The compiler doesn't generate defaulted move ctor/assgin thus
                perform copy construction/assginment. Even though such case,
--- a/test/Jamfile
+++ b/test/Jamfile
@ -1,7 +1,7 @@
 ##==============================================================================
 #    Copyright (c) 2003-2006 Joel de Guzman
 #    Copyright (c) 2013 Mateusz Loskot
-#    Copyright (c) 2014-2017 Kohei Takahashi
+#    Copyright (c) 2014-2018 Kohei Takahashi
 #
 #   Use, modification and distribution is subject to the Boost Software
 #   License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
@ -9,10 +9,17 @@
 #==============================================================================
 # bring in rules for testing
 import testing ;
+import os ;
 import ../../config/checks/config : requires ;

+if [ os.environ CI ]
+{
+    CI_DEFINES = <define>CI_SKIP_KNOWN_FAILURE=1 ;
+}
+
 project
    : requirements
+        $(CI_DEFINES)
    ;

 {
@ -35,7 +42,8 @@ project
    [ run algorithm/insert.cpp ]
    [ run algorithm/insert_range.cpp ]
    [ run algorithm/iter_fold.cpp ]
-    [ run algorithm/move.cpp ]
+    [ run algorithm/move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run algorithm/none.cpp ]
    [ run algorithm/pop_back.cpp ]
    [ run algorithm/pop_front.cpp ]
@ -58,6 +66,7 @@ project
    [ run algorithm/zip2.cpp ]
    [ run algorithm/zip_ignore.cpp ]
    [ run algorithm/flatten.cpp ]
+    [ compile algorithm/ticket-5490.cpp ]

    [ run sequence/as_deque.cpp ]
    [ run sequence/as_list.cpp ]
@ -99,7 +108,8 @@ project
    [ compile sequence/deque_is_constructible.cpp ]
    [ run sequence/deque_make.cpp ]
    [ run sequence/deque_misc.cpp ]
-    [ run sequence/deque_move.cpp ]
+    [ run sequence/deque_move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run sequence/deque_mutate.cpp ]
    [ run sequence/deque_nest.cpp ]
    [ run sequence/deque_tie.cpp ]
@ -113,7 +123,8 @@ project
    [ run sequence/map_construction.cpp ]
    [ run sequence/map_copy.cpp ]
    [ run sequence/map_misc.cpp ]
-    [ run sequence/map_move.cpp ]
+    [ run sequence/map_move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run sequence/map_mutate.cpp ]
    [ run sequence/map_tie.cpp ]
    [ run sequence/nil.cpp ]
@ -152,7 +163,8 @@ project
    [ run sequence/vector_iterator.cpp ]
    [ run sequence/vector_make.cpp ]
    [ run sequence/vector_misc.cpp ]
-    [ run sequence/vector_move.cpp ]
+    [ run sequence/vector_move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run sequence/vector_mutate.cpp ]
    [ run sequence/vector_n.cpp ]
    [ run sequence/vector_nest.cpp ]
@ -197,22 +209,28 @@ project
    [ run sequence/adt_attribute_proxy.cpp ]
    [ run sequence/define_struct.cpp ]
    [ run sequence/define_struct_empty.cpp ]
-    [ run sequence/define_struct_move.cpp ]
+    [ run sequence/define_struct_move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run sequence/define_struct_inline.cpp ]
    [ run sequence/define_struct_inline_empty.cpp ]
-    [ run sequence/define_struct_inline_move.cpp ]
+    [ run sequence/define_struct_inline_move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run sequence/define_assoc_struct.cpp ]
    [ run sequence/define_assoc_struct_empty.cpp ]
-    [ run sequence/define_assoc_struct_move.cpp ]
+    [ run sequence/define_assoc_struct_move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run sequence/define_tpl_struct.cpp ]
    [ run sequence/define_tpl_struct_empty.cpp ]
-    [ run sequence/define_tpl_struct_move.cpp ]
+    [ run sequence/define_tpl_struct_move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run sequence/define_tpl_struct_inline.cpp ]
    [ run sequence/define_tpl_struct_inline_empty.cpp ]
-    [ run sequence/define_tpl_struct_inline_move.cpp ]
+    [ run sequence/define_tpl_struct_inline_move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run sequence/define_assoc_tpl_struct.cpp ]
    [ run sequence/define_assoc_tpl_struct_empty.cpp ]
-    [ run sequence/define_assoc_tpl_struct_move.cpp ]
+    [ run sequence/define_assoc_tpl_struct_move.cpp : :
+        : [ requires cxx11_rvalue_references ] ]
    [ run sequence/std_tuple.cpp : :
        : [ requires cxx11_variadic_templates cxx11_hdr_tuple ] ]
    [ run sequence/std_tuple_iterator.cpp : :
@ -220,6 +238,7 @@ project
    [ run sequence/ref_vector.cpp ]
    [ run sequence/flatten_view.cpp ]
    [ compile sequence/github-159.cpp ]
+    [ run sequence/github-176.cpp ]

    [ compile sequence/size.cpp ]

@ -237,14 +256,19 @@ project
    [ run functional/invoke_procedure.cpp ]
    [ run sequence/swap.cpp ]

+    [ compile support/is_sequence.cpp ]
    [ compile support/pair_deque.cpp ]
    [ compile support/pair_list.cpp ]
    [ compile support/pair_map.cpp ]
    [ compile support/pair_set.cpp ]
    [ compile support/pair_vector.cpp ]
    [ compile support/pair_nest.cpp ]
-    [ compile support/index_sequence.cpp ]
-    [ compile support/and.cpp ]
+    [ compile support/index_sequence.cpp
+        : [ requires cxx11_variadic_templates ] ]
+    [ compile support/and.cpp
+        : [ requires cxx11_variadic_templates ] ]
+    [ compile support/tag_of.cpp ]
+    [ compile support/unused.cpp ]

 #   [ compile-fail xxx.cpp  ]

--- a/test/algorithm/for_each.cpp
+++ b/test/algorithm/for_each.cpp
@ -1,13 +1,15 @@
 /*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/fusion/container/vector/vector.hpp>
 #include <boost/fusion/adapted/mpl.hpp>
 #include <boost/fusion/sequence/io/out.hpp>
+#include <boost/fusion/sequence/comparison/equal_to.hpp>
 #include <boost/fusion/algorithm/iteration/for_each.hpp>
 #include <boost/mpl/vector_c.hpp>

@ -29,6 +31,15 @@ struct increment
    }
 };

+struct mutable_increment : increment
+{
+    template <typename T>
+    void operator()(T& v)
+    {
+        return increment::operator()(v);
+    }
+};
+
 int
 main()
 {
@ -44,9 +55,20 @@ main()
    }

    {
+        char const ruby[] = "Ruby";
        typedef vector<int, char, double, char const*> vector_type;
-        vector_type v(1, 'x', 3.3, "Ruby");
+        vector_type v(1, 'x', 3.3, ruby);
        for_each(v, increment());
+        BOOST_TEST_EQ(v, vector_type(2, 'y', 4.3, ruby + 1));
+        std::cout << v << std::endl;
+    }
+
+    {
+        char const ruby[] = "Ruby";
+        typedef vector<int, char, double, char const*> vector_type;
+        vector_type v(1, 'x', 3.3, ruby);
+        for_each(v, mutable_increment());
+        BOOST_TEST_EQ(v, vector_type(2, 'y', 4.3, ruby + 1));
        std::cout << v << std::endl;
    }

--- a/test/algorithm/move.cpp
+++ b/test/algorithm/move.cpp
@ -1,13 +1,9 @@
 /*=============================================================================
-    Copyright (c) 2014 Kohei Takahashi
+    Copyright (c) 2014,2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-#include <boost/config.hpp>
-
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-
 #include <boost/core/lightweight_test.hpp>
 #include <boost/fusion/container/vector/vector.hpp>
 #include <boost/fusion/container/list/list.hpp>
@ -29,12 +25,3 @@ int main()
    return boost::report_errors();
 }

-#else
-
-int main()
-{
-    // no thing to do
-}
-
-#endif
-
--- a/test/algorithm/segmented_for_each.cpp
+++ b/test/algorithm/segmented_for_each.cpp
@ -1,14 +1,17 @@
 /*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
    Copyright (c) 2011 Eric Niebler
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-#include <boost/detail/lightweight_test.hpp>
+#include <boost/core/lightweight_test.hpp>
 #include <boost/fusion/container/vector/vector.hpp>
-#include <boost/fusion/algorithm/iteration/for_each.hpp>
 #include <boost/fusion/container/generation/make_vector.hpp>
+#include <boost/fusion/algorithm/iteration/for_each.hpp>
+#include <boost/fusion/sequence/comparison/equal_to.hpp>
+#include <boost/fusion/sequence/io/out.hpp>
 #include "../sequence/tree.hpp"

 struct print
@ -20,6 +23,31 @@ struct print
    }
 };

+struct increment
+{
+    template <typename T>
+    void operator()(T& v) const
+    {
+        ++v;
+    }
+};
+
+struct mutable_increment : increment
+{
+    template <typename T>
+    void operator()(T& v)
+    {
+        return increment::operator()(v);
+    }
+};
+
+template <typename F, typename Tree>
+void test(Tree tree, Tree const& expected)
+{
+    boost::fusion::for_each(tree, F());
+    BOOST_TEST_EQ(tree, expected);
+}
+
 int
 main()
 {
@ -42,6 +70,69 @@ main()
            )
          , print()
        );
+        std::cout << std::endl;
+    }
+
+    {
+        test<increment>(
+            make_tree(
+                make_vector(double(0),'B')
+              , make_tree(
+                    make_vector(1,2,long(3))
+                  , make_tree(make_vector('a','b','c'))
+                  , make_tree(make_vector(short('d'),'e','f'))
+                )
+              , make_tree(
+                    make_vector(4,5,6)
+                  , make_tree(make_vector(float(1),'h','i'))
+                  , make_tree(make_vector('j','k','l'))
+                )
+            )
+          , make_tree(
+                make_vector(double(1),'C')
+              , make_tree(
+                    make_vector(2,3,long(4))
+                  , make_tree(make_vector('b','c','d'))
+                  , make_tree(make_vector(short('e'),'f','g'))
+                )
+              , make_tree(
+                    make_vector(5,6,7)
+                  , make_tree(make_vector(float(2),'i','j'))
+                  , make_tree(make_vector('k','l','m'))
+                )
+            )
+        );
+    }
+
+    {
+        test<mutable_increment>(
+            make_tree(
+                make_vector(double(0),'B')
+              , make_tree(
+                    make_vector(1,2,long(3))
+                  , make_tree(make_vector('a','b','c'))
+                  , make_tree(make_vector(short('d'),'e','f'))
+                )
+              , make_tree(
+                    make_vector(4,5,6)
+                  , make_tree(make_vector(float(1),'h','i'))
+                  , make_tree(make_vector('j','k','l'))
+                )
+            )
+          , make_tree(
+                make_vector(double(1),'C')
+              , make_tree(
+                    make_vector(2,3,long(4))
+                  , make_tree(make_vector('b','c','d'))
+                  , make_tree(make_vector(short('e'),'f','g'))
+                )
+              , make_tree(
+                    make_vector(5,6,7)
+                  , make_tree(make_vector(float(2),'i','j'))
+                  , make_tree(make_vector('k','l','m'))
+                )
+            )
+        );
    }

    return boost::report_errors();
--- a/test/algorithm/ticket-5490.cpp
+++ b/test/algorithm/ticket-5490.cpp
@ -0,0 +1,41 @@
+/*=============================================================================
+    Copyright (c) 2018 Kohei Takahashi
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying 
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#include <boost/fusion/include/vector.hpp>
+#include <boost/fusion/include/transform.hpp>
+#include <boost/mpl/quote.hpp>
+#include <boost/mpl/placeholders.hpp>
+#include <boost/core/ignore_unused.hpp>
+
+using namespace boost::fusion;
+
+template <typename>
+struct predicate {};
+
+struct unique {};
+
+template <typename>
+struct meta_func
+{
+    typedef unique result_type;
+
+    template <typename T>
+    unique operator()(const T&) const;
+};
+
+int main()
+{
+    vector<int> v;
+
+    typedef predicate<boost::mpl::_1> lambda_t;
+    typedef boost::mpl::quote1<predicate> quote_t;
+
+    vector<unique> l = transform(v, meta_func<lambda_t>());
+
+    vector<unique> q = transform(v, meta_func<quote_t>());
+
+    boost::ignore_unused(l, q);
+}
--- a/test/sequence/define_assoc_struct_move.cpp
+++ b/test/sequence/define_assoc_struct_move.cpp
@ -1,13 +1,9 @@
 /*=============================================================================
-    Copyright (c) 2016 Kohei Takahashi
+    Copyright (c) 2016,2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-
-#include <boost/config.hpp>
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
-
 #include <boost/detail/lightweight_test.hpp>
 #include <boost/fusion/adapted/struct/define_assoc_struct.hpp>
 #include <utility>
@ -69,10 +65,3 @@ int main()
    return boost::report_errors();
 }

-#else
-
-int main()
-{
-}
-
-#endif
--- a/test/sequence/define_struct_inline_move.cpp
+++ b/test/sequence/define_struct_inline_move.cpp
@ -1,13 +1,9 @@
 /*=============================================================================
-    Copyright (c) 2016 Kohei Takahashi
+    Copyright (c) 2016-2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-
-#include <boost/config.hpp>
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
-
 #include <boost/detail/lightweight_test.hpp>
 #include <boost/fusion/adapted/struct/define_struct_inline.hpp>
 #include <utility>
@ -51,8 +47,8 @@ int main()
        BOOST_TEST(y.w.value == 42);
    }

-    // Older MSVCs don't generate move ctor by default.
-#if !(defined(RUNNING_ON_APPVEYOR) && BOOST_WORKAROUND(BOOST_MSVC, < 1900))
+    // Older MSVCs and gcc 4.4 don't generate move ctor by default.
+#if !(defined(CI_SKIP_KNOWN_FAILURE) && (BOOST_WORKAROUND(BOOST_MSVC, < 1900) || BOOST_WORKAROUND(BOOST_GCC, / 100 == 404)))
    {
        ns::value x;
        ns::value y(std::move(x)); // move
@ -70,15 +66,8 @@ int main()
        BOOST_TEST(x.w.value == 0);
        BOOST_TEST(y.w.value == 0);
    }
-#endif // !(appveyor && msvc < 14.0)
+#endif // !(ci && (msvc < 14.0 || gcc 4.4.x))

    return boost::report_errors();
 }

-#else
-
-int main()
-{
-}
-
-#endif
--- a/test/sequence/define_struct_move.cpp
+++ b/test/sequence/define_struct_move.cpp
@ -1,13 +1,9 @@
 /*=============================================================================
-    Copyright (c) 2016 Kohei Takahashi
+    Copyright (c) 2016,2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-
-#include <boost/config.hpp>
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
-
 #include <boost/detail/lightweight_test.hpp>
 #include <boost/fusion/adapted/struct/define_struct.hpp>
 #include <utility>
@ -68,10 +64,3 @@ int main()
    return boost::report_errors();
 }

-#else
-
-int main()
-{
-}
-
-#endif
--- a/test/sequence/define_tpl_struct_inline_move.cpp
+++ b/test/sequence/define_tpl_struct_inline_move.cpp
@ -1,13 +1,9 @@
 /*=============================================================================
-    Copyright (c) 2016 Kohei Takahashi
+    Copyright (c) 2016-2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-
-#include <boost/config.hpp>
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
-
 #include <boost/detail/lightweight_test.hpp>
 #include <boost/fusion/adapted/struct/define_struct_inline.hpp>
 #include <utility>
@ -51,8 +47,8 @@ int main()
        BOOST_TEST(y.w.value == 42);
    }

-    // Older MSVCs don't generate move ctor by default.
-#if !(defined(RUNNING_ON_APPVEYOR) && BOOST_WORKAROUND(BOOST_MSVC, < 1900))
+    // Older MSVCs and gcc 4.4 don't generate move ctor by default.
+#if !(defined(CI_SKIP_KNOWN_FAILURE) && (BOOST_WORKAROUND(BOOST_MSVC, < 1900) || BOOST_WORKAROUND(BOOST_GCC, / 100 == 404)))
    {
        ns::value<wrapper> x;
        ns::value<wrapper> y(std::move(x)); // move
@ -70,15 +66,8 @@ int main()
        BOOST_TEST(x.w.value == 0);
        BOOST_TEST(y.w.value == 0);
    }
-#endif // !(appveyor && msvc < 14.0)
+#endif // !(ci && (msvc < 14.0 || gcc 4.4.x))

    return boost::report_errors();
 }

-#else
-
-int main()
-{
-}
-
-#endif
--- a/test/sequence/define_tpl_struct_move.cpp
+++ b/test/sequence/define_tpl_struct_move.cpp
@ -1,13 +1,9 @@
 /*=============================================================================
-    Copyright (c) 2016 Kohei Takahashi
+    Copyright (c) 2016,2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-
-#include <boost/config.hpp>
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
-
 #include <boost/detail/lightweight_test.hpp>
 #include <boost/fusion/adapted/struct/define_struct.hpp>
 #include <utility>
@ -68,10 +64,3 @@ int main()
    return boost::report_errors();
 }

-#else
-
-int main()
-{
-}
-
-#endif
--- a/test/sequence/deque_move.cpp
+++ b/test/sequence/deque_move.cpp
@ -1,16 +1,11 @@
 /*=============================================================================
    Copyright (c) 2012 Joel de Guzman
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-#define BOOST_FUSION_DONT_USE_PREPROCESSED_FILES // $$$ JDG temp $$$
-
-
-#include <boost/config.hpp>
-
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-
+#define BOOST_FUSION_DONT_USE_PREPROCESSED_FILES
 #include <boost/fusion/container/deque/deque.hpp>

 #define FUSION_SEQUENCE boost::fusion::deque<std::vector<x>>
@ -18,16 +13,9 @@

 #include "move.hpp"

-#else
-#include <boost/detail/lightweight_test.hpp>
-#endif
-
-int
-main()
+int main()
 {
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
    test();
-#endif

    return boost::report_errors();
 }
--- a/test/sequence/github-176.cpp
+++ b/test/sequence/github-176.cpp
@ -0,0 +1,89 @@
+/*=============================================================================
+    Copyright (c) 2018 Kohei Takahashi
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+
+#include <boost/fusion/sequence/intrinsic/at.hpp>
+#include <boost/fusion/sequence/intrinsic/at_key.hpp>
+#include <boost/fusion/container/vector.hpp>
+#include <boost/fusion/container/list.hpp>
+#include <boost/fusion/container/deque.hpp>
+#include <boost/fusion/container/map.hpp>
+#include <boost/fusion/container/set.hpp>
+#include <boost/fusion/tuple/tuple.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+template <typename Sequence>
+void test_at()
+{
+    Sequence seq;
+
+    // zero initialized
+    BOOST_TEST(boost::fusion::at_c<0>(seq)[0] == 0);
+    BOOST_TEST(boost::fusion::at_c<0>(seq)[1] == 0);
+    BOOST_TEST(boost::fusion::at_c<0>(seq)[2] == 0);
+
+    int (&arr)[3] = boost::fusion::deref(boost::fusion::begin(seq));
+
+    arr[0] = 2;
+    arr[1] = 4;
+    arr[2] = 6;
+
+    BOOST_TEST(boost::fusion::at_c<0>(seq)[0] == 2);
+    BOOST_TEST(boost::fusion::at_c<0>(seq)[1] == 4);
+    BOOST_TEST(boost::fusion::at_c<0>(seq)[2] == 6);
+
+    boost::fusion::at_c<0>(seq)[1] = 42;
+
+    BOOST_TEST(boost::fusion::at_c<0>(seq)[0] == 2);
+    BOOST_TEST(boost::fusion::at_c<0>(seq)[1] == 42);
+    BOOST_TEST(boost::fusion::at_c<0>(seq)[2] == 6);
+}
+
+template <typename T> inline T& value(T& v) { return v; }
+template <typename K, typename T> inline T& value(boost::fusion::pair<K, T>& v) { return v.second; }
+
+template <typename Sequence>
+void test_at_key()
+{
+    Sequence seq;
+
+    // zero initialized
+    BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[0] == 0);
+    BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[1] == 0);
+    BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[2] == 0);
+
+    int (&arr)[3] = value(boost::fusion::deref(boost::fusion::begin(seq)));
+
+    arr[0] = 2;
+    arr[1] = 4;
+    arr[2] = 6;
+
+    BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[0] == 2);
+    BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[1] == 4);
+    BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[2] == 6);
+
+    boost::fusion::at_key<int[3]>(seq)[1] = 42;
+
+    BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[0] == 2);
+    BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[1] == 42);
+    BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[2] == 6);
+}
+
+int main()
+{
+    using namespace boost::fusion;
+
+    test_at<vector<int[3]> >();
+    test_at<deque<int[3]> >();
+    test_at<list<int[3]> >();
+    test_at<tuple<int[3]> >();
+
+#if !BOOST_WORKAROUND(BOOST_GCC, / 100 == 406) || defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)
+    // FIXME: gcc 4.6 w/ c++0x doesn't like set with array...
+    test_at_key<set<int[3]> >();
+#endif
+    test_at_key<map<pair<int[3], int[3]> > >();
+}
--- a/test/sequence/hash.hpp
+++ b/test/sequence/hash.hpp
@ -1,5 +1,6 @@
 /*=============================================================================
    Copyright (c) 2014 Christoph Weiss
+    Copyright (c) 2017 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -11,24 +12,24 @@
 #include <boost/fusion/sequence/hash.hpp>
 #include <boost/functional/hash.hpp>

-void
-hash_test()
+void hash_test()
 {
-    using namespace boost::fusion;
+    namespace fusion = boost::fusion;
+    using namespace fusion;

    const FUSION_SEQUENCE<int, char, bool, std::string> v0(42, 'x', false, "Aurea prima");
    const FUSION_SEQUENCE<int, char, bool, std::string> v1(42, 'x', false, "Aurea prima");
-    BOOST_TEST(hash_value(v0) == hash_value(v1));
-    
+    BOOST_TEST(fusion::hash_value(v0) == fusion::hash_value(v1));
+
    const FUSION_SEQUENCE<int, char, bool, std::string> w(41, 'x', false, "Aurea prima");
-    BOOST_TEST(hash_value(w) != hash_value(v0));
-    
+    BOOST_TEST(fusion::hash_value(w) != fusion::hash_value(v0));
+
    const FUSION_SEQUENCE<int, char, bool, std::string> x(42, 'y', false, "Aurea prima");
-    BOOST_TEST(hash_value(x) != hash_value(v0));
-    
+    BOOST_TEST(fusion::hash_value(x) != fusion::hash_value(v0));
+
    const FUSION_SEQUENCE<int, char, bool, std::string> y(42, 'x', true, "Aurea prima");
-    BOOST_TEST(hash_value(y) != hash_value(v0));
-    
+    BOOST_TEST(fusion::hash_value(y) != fusion::hash_value(v0));
+
    const FUSION_SEQUENCE<int, char, bool, std::string> z(42, 'x', false, "quae vindice nullo");
-    BOOST_TEST(hash_value(z) != hash_value(v0));
+    BOOST_TEST(fusion::hash_value(z) != fusion::hash_value(v0));
 }
--- a/test/sequence/map_move.cpp
+++ b/test/sequence/map_move.cpp
@ -1,15 +1,11 @@
 /*=============================================================================
    Copyright (c) 2012 Joel de Guzman
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-#define BOOST_FUSION_DONT_USE_PREPROCESSED_FILES // $$$ JDG temp $$$
-
-#include <boost/config.hpp>
-
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-
+#define BOOST_FUSION_DONT_USE_PREPROCESSED_FILES
 #include <boost/fusion/container/map/map.hpp>

 struct k1 {};
@ -23,16 +19,9 @@ struct k2 {};

 #include "move.hpp"

-#else
-#include <boost/detail/lightweight_test.hpp>
-#endif
-
-int
-main()
+int main()
 {
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
    test();
-#endif

    return boost::report_errors();
 }
--- a/test/sequence/traits.hpp
+++ b/test/sequence/traits.hpp
@ -1,5 +1,6 @@
 /*=============================================================================
    Copyright (C) 2016 Lee Clagett
+    Copyright (C) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@ -38,9 +39,7 @@ bool is_convertible(bool has_conversion)
 }

 // is_constructible has a few requirements
-#if !defined(BOOST_NO_CXX11_DECLTYPE) &&   \
-    !defined(BOOST_NO_CXX11_TEMPLATES) &&  \
-    !defined(BOOST_NO_SFINAE_EXPR)
+#ifdef BOOST_TT_IS_CONSTRUCTIBLE_CONFORMING

 #define FUSION_TEST_HAS_CONSTRUCTIBLE

@ -88,7 +87,9 @@ void test_constructible()
    BOOST_TEST((
        is_constructible<FUSION_SEQUENCE<convertible>, convertible>(true)
    ));
-        
+
+    // boost::is_constructible always fail to test ctor which takes 2 or more arguments on GCC 4.7.
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
    BOOST_TEST((
        is_constructible<FUSION_SEQUENCE<int, int>, int, int>(true)
    ));
@ -131,6 +132,7 @@ void test_constructible()
            FUSION_SEQUENCE<convertible, convertible>, convertible, convertible
        >(true)
    ));
+#endif // !(gcc < 4.7)
 }

 #endif // is_constructible is available
--- a/test/sequence/tuple_traits.cpp
+++ b/test/sequence/tuple_traits.cpp
@ -65,10 +65,13 @@ main()
    BOOST_TEST((is_constructible<tuple<int>, int, int>(false)));

    BOOST_TEST((is_constructible< tuple<int, int> >(true)));
+    // boost::is_constructible always fail to test ctor which takes 2 or more arguments on GCC 4.7.
+#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
    BOOST_TEST((is_constructible<tuple<int, int>, int, int>(true)));
    BOOST_TEST((
        is_constructible<tuple<convertible, convertible>, int, int>(true)
    ));
+#endif // !(gcc < 4.7)
    BOOST_TEST((is_constructible<tuple<int, not_convertible>, int, int>(false)));
    BOOST_TEST((is_constructible<tuple<not_convertible, int>, int, int>(false)));
    BOOST_TEST((
--- a/test/sequence/vector_move.cpp
+++ b/test/sequence/vector_move.cpp
@ -1,15 +1,11 @@
 /*=============================================================================
    Copyright (c) 2012 Joel de Guzman
+    Copyright (c) 2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
-#define BOOST_FUSION_DONT_USE_PREPROCESSED_FILES // $$$ JDG temp $$$
-
-#include <boost/config.hpp>
-
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
-
+#define BOOST_FUSION_DONT_USE_PREPROCESSED_FILES
 #include <boost/fusion/container/vector/vector.hpp>

 #define FUSION_SEQUENCE boost::fusion::vector<std::vector<x>>
@ -17,16 +13,9 @@

 #include "move.hpp"

-#else
-#include <boost/detail/lightweight_test.hpp>
-#endif
-
-int
-main()
+int main()
 {
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
    test();
-#endif

    return boost::report_errors();
 }
--- a/test/support/and.cpp
+++ b/test/support/and.cpp
@ -1,33 +1,28 @@
 /*=============================================================================
    Copyright (c) 2016 Lee Clagett
+    Copyright (c) 2018 Kohei Takahashi
    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/

 #include <boost/config.hpp>

-#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
-
-#include <boost/detail/lightweight_test.hpp>
-#include <boost/fusion/support/detail/and.hpp>
-#include <boost/mpl/bool.hpp>
-#include <boost/type_traits/integral_constant.hpp>
-
-int main() {
-    using namespace boost;
-    using namespace boost::fusion::detail;
-
-    BOOST_TEST((and_<>::value));
-    BOOST_TEST(!(and_<false_type>::value));
-    BOOST_TEST((and_<true_type>::value));
-    BOOST_TEST(!(and_<true_type, false_type>::value));
-    BOOST_TEST((and_<true_type, true_type>::value));
-    BOOST_TEST(!(and_<true_type, true_type, false_type>::value));
-    BOOST_TEST((and_<true_type, true_type, true_type>::value));
-    BOOST_TEST((and_<true_type, mpl::true_>::value));
-
-    return boost::report_errors();
-}
-
+#ifdef BOOST_NO_CXX11_VARIADIC_TEMPLATES
+#   error "does not meet requirements"
 #endif

+#include <boost/fusion/support/detail/and.hpp>
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/assert.hpp>
+
+using namespace boost;
+using namespace boost::fusion::detail;
+
+BOOST_MPL_ASSERT((and_<>));
+BOOST_MPL_ASSERT_NOT((and_<false_type>));
+BOOST_MPL_ASSERT((and_<true_type>));
+BOOST_MPL_ASSERT_NOT((and_<true_type, false_type>));
+BOOST_MPL_ASSERT((and_<true_type, true_type>));
+BOOST_MPL_ASSERT_NOT((and_<true_type, true_type, false_type>));
+BOOST_MPL_ASSERT((and_<true_type, true_type, true_type>));
+BOOST_MPL_ASSERT((and_<true_type, mpl::true_>));
--- a/test/support/index_sequence.cpp
+++ b/test/support/index_sequence.cpp
@ -1,12 +1,14 @@
 /*=============================================================================
-    Copyright (c) 2015 Kohei Takahashi
+    Copyright (c) 2015,2018 Kohei Takahashi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
 #include <boost/config.hpp>

-#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+#ifdef BOOST_NO_CXX11_VARIADIC_TEMPLATES
+#   error "does not meet requirements"
+#endif

 #include <boost/fusion/support/detail/index_sequence.hpp>
 #include <boost/mpl/assert.hpp>
@ -28,5 +30,3 @@ BOOST_MPL_ASSERT((boost::is_same<detail::make_index_sequence<15>::type, detail::
 BOOST_MPL_ASSERT((boost::is_same<detail::make_index_sequence<16>::type, detail::index_sequence<0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15> >));
 BOOST_MPL_ASSERT((boost::is_same<detail::make_index_sequence<17>::type, detail::index_sequence<0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16> >));

-#endif
-
--- a/test/support/is_sequence.cpp
+++ b/test/support/is_sequence.cpp
@ -0,0 +1,17 @@
+/*=============================================================================
+    Copyright (c) 2018 Louis Dionne
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#include <boost/fusion/support/is_sequence.hpp>
+#include <boost/static_assert.hpp>
+
+
+// Make sure fusion::is_sequence and fusion::is_native_fusion_sequence can be
+// used with an incomplete type.
+struct incomplete;
+BOOST_STATIC_ASSERT(!boost::fusion::traits::is_sequence<incomplete>::value);
+BOOST_STATIC_ASSERT(!boost::fusion::traits::is_native_fusion_sequence<incomplete>::value);
+
+int main() { }
--- a/test/support/tag_of.cpp
+++ b/test/support/tag_of.cpp
@ -0,0 +1,17 @@
+/*=============================================================================
+    Copyright (c) 2018 Louis Dionne
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#include <boost/fusion/support/tag_of.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+
+// Make sure tag_of can be used with an incomplete type.
+struct incomplete;
+typedef boost::fusion::traits::tag_of<incomplete>::type Tag;
+BOOST_STATIC_ASSERT((boost::is_same<Tag, boost::fusion::non_fusion_tag>::value));
+
+int main() { }
--- a/test/support/unused.cpp
+++ b/test/support/unused.cpp
@ -0,0 +1,95 @@
+/*=============================================================================
+    Copyright (c) 2018 Kohei Takahashi
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+
+#include <boost/config.hpp>
+#include <boost/fusion/support/unused.hpp>
+#include <boost/type_traits/detail/yes_no_type.hpp>
+#include <boost/static_assert.hpp>
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+#include <utility>
+#endif
+
+struct T { };
+
+void unused_construction()
+{
+    boost::fusion::unused_type dephault;
+
+    boost::fusion::unused_type BOOST_ATTRIBUTE_UNUSED parenthesis = boost::fusion::unused_type();
+#ifndef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+    boost::fusion::unused_type BOOST_ATTRIBUTE_UNUSED brace{};
+    boost::fusion::unused_type BOOST_ATTRIBUTE_UNUSED list_copy = {};
+#endif
+
+    boost::fusion::unused_type copy_copy BOOST_ATTRIBUTE_UNUSED = dephault;
+    boost::fusion::unused_type copy_direct BOOST_ATTRIBUTE_UNUSED (dephault);
+#ifndef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+    boost::fusion::unused_type copy_copy_brace_direct BOOST_ATTRIBUTE_UNUSED = {dephault};
+    boost::fusion::unused_type copy_direct_brace BOOST_ATTRIBUTE_UNUSED {dephault};
+#endif
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+    boost::fusion::unused_type move_copy BOOST_ATTRIBUTE_UNUSED = std::move(dephault);
+    boost::fusion::unused_type move_direct BOOST_ATTRIBUTE_UNUSED (std::move(dephault));
+#ifndef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+    boost::fusion::unused_type move_copy_brace_direct BOOST_ATTRIBUTE_UNUSED = {std::move(dephault)};
+    boost::fusion::unused_type move_direct_brace BOOST_ATTRIBUTE_UNUSED {std::move(dephault)};
+#endif
+#endif
+
+
+    T value;
+
+    boost::fusion::unused_type T_copy_copy BOOST_ATTRIBUTE_UNUSED = value;
+    boost::fusion::unused_type T_copy_direct BOOST_ATTRIBUTE_UNUSED (value);
+#ifndef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+    boost::fusion::unused_type T_copy_copy_brace_direct BOOST_ATTRIBUTE_UNUSED = {value};
+    boost::fusion::unused_type T_copy_direct_brace BOOST_ATTRIBUTE_UNUSED {value};
+#endif
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+    boost::fusion::unused_type T_move_copy BOOST_ATTRIBUTE_UNUSED = std::move(value);
+    boost::fusion::unused_type T_move_direct BOOST_ATTRIBUTE_UNUSED (std::move(value));
+#ifndef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+    boost::fusion::unused_type T_move_copy_brace_direct BOOST_ATTRIBUTE_UNUSED = {std::move(value)};
+    boost::fusion::unused_type T_move_direct_brace BOOST_ATTRIBUTE_UNUSED {std::move(value)};
+#endif
+#endif
+}
+
+void unused_assignment()
+{
+    boost::fusion::unused_type val1, val2;
+
+    val1 = val2;
+#ifndef BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
+    val1 = {};
+#endif
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+    val1 = std::move(val2);
+#endif
+
+
+    T value;
+
+    val1 = value;
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+    val1 = std::move(value);
+#endif
+}
+
+boost::type_traits::yes_type test_unused(boost::fusion::detail::unused_only const&);
+boost::type_traits::no_type  test_unused(...);
+
+void only_unused()
+{
+    BOOST_STATIC_ASSERT((sizeof(test_unused(boost::fusion::unused)) == sizeof(boost::type_traits::yes_type)));
+    BOOST_STATIC_ASSERT((sizeof(test_unused(0)) == sizeof(boost::type_traits::no_type)));
+
+    boost::fusion::unused_type my_unused;
+    BOOST_STATIC_ASSERT((sizeof(test_unused(my_unused)) == sizeof(boost::type_traits::yes_type)));
+}
Author	SHA1	Message	Date
Kohei Takahashi	c740a4dbad	Merge pull request #188 from boostorg/develop Post beta merge	2018-07-17 21:12:08 +09:00
Kohei Takahashi	bd96a6bcfb	doc: Fixed filter_view parameter requirements	2018-07-07 09:24:55 +09:00
Kohei Takahashi	2a95fcc3e9	Merge pull request #186 from boostorg/bugfix/apply Fixed unintentional MPL substitution in transform_view	2018-07-07 08:11:15 +09:00
Kohei Takahashi	06a2f0560f	doc: Fixed keyword links	2018-07-07 01:56:50 +09:00
Kohei Takahashi	c76cd3d6b2	test: Suppress unused warning	2018-07-07 01:27:20 +09:00
Kohei Takahashi	77959b1d33	test: Added test for ticket 5490	2018-07-07 01:23:11 +09:00
Kohei Takahashi	c6448b9e45	transform: Stopped use of mpl::apply it causes unintended MPL substitution	2018-07-07 01:06:05 +09:00
Kohei Takahashi	561890429b	doc: Moved paragraph `to mpl adaptation` to mpl section	2018-07-06 11:21:54 +09:00
Kohei Takahashi	23c54602c2	Merge pull request #185 from boostorg/docfix/io-for-adapted doc: Added note regarding IO for adapted type	2018-07-05 22:57:56 +09:00
Kohei Takahashi	30c044b03a	doc: Added note regarding IO for adapted type [skip ci] closes: track 6091	2018-07-05 22:15:33 +09:00
Kohei Takahashi	a71b9607e1	Merge pull request #184 from boostorg/develop pre boost 1.68.0 beta merge	2018-07-03 21:50:36 +09:00
Kohei Takahashi	102588ae46	Merge pull request #183 from boostorg/mutable_for_each Fixed for_each parameter type to accept mutable functor	2018-07-03 12:40:54 +09:00
Kohei Takahashi	0e4c5127f5	algo/for_each: Fixed parameter type to be able to call mutable object	2018-07-02 22:19:25 +09:00
Kohei Takahashi	afb8b150a9	Merge pull request #181 from boostorg/init-and-paren Fixed misused parenthesized initializer	2018-05-13 20:40:25 +09:00
Kohei Takahashi	d832387fdb	Fixed misused parenthesized initializer	2018-05-13 18:59:43 +09:00
Kohei Takahashi	0c138de7cb	Merge pull request #180 from boostorg/develop Merge develop	2018-05-10 00:59:45 +09:00
Kohei Takahashi	98b96c3b97	Merge pull request #179 from boostorg/support Reorganize support facility to simplify	2018-04-28 00:21:06 +09:00
Kohei Takahashi	68be23a0b9	Merge upstream branch 'develop' into support	2018-04-27 20:32:09 +09:00
Kohei Takahashi	6f8de8d774	Added workaround for fold expr and dependent name	2018-04-27 20:29:06 +09:00
Kohei Takahashi	5221bbbc76	Added workaround for defaulted and noexcept	2018-04-27 14:56:23 +09:00
Kohei Takahashi	0e900bba3f	Specify defaulted and remove unnecessary functions from unused_type	2018-04-27 12:37:37 +09:00
Kohei Takahashi	38aa3705d0	Added test for unused_type	2018-04-27 12:37:00 +09:00
Kohei Takahashi	1854626651	Merge pull request #178 from boostorg/more-ci-targets More ci targets	2018-04-26 06:41:55 +09:00
Kohei Takahashi	e8da43a539	Added workaround for gcc 4.6 with C array	2018-04-26 00:02:57 +09:00
Kohei Takahashi	3b8fb67b52	Update WA condition	2018-04-22 03:44:57 +09:00
Kohei Takahashi	c4881f1862	Merge upstream branch 'develop' into more-ci-targets	2018-04-22 03:41:55 +09:00
Kohei Takahashi	e818089a91	likewise	2018-04-21 19:18:09 +09:00
Kohei Takahashi	a95a838779	Added workaround to test is_constructible on GCC < 4.7 always fail to test non unary ctor	2018-04-21 18:22:24 +09:00
Kohei Takahashi	7443cb1101	Changed availability condition to what Boost.TT providing	2018-04-20 13:04:02 +09:00
Kohei Takahashi	84b1847442	Merge pull request #177 from boostorg/bugfix/c-style-array Fixed compile error with C-style array	2018-04-19 01:44:13 +09:00
Kohei Takahashi	a273cd8131	Added workaround for msvc-14.x	2018-04-19 00:21:41 +09:00
Kohei Takahashi	757541f9d2	Updated c-style array test for associative container	2018-04-18 22:39:55 +09:00
Kohei Takahashi	dd695c1dbd	Fixed a compile error bug similar to previous vector's one	2018-04-18 22:38:09 +09:00
Kohei Takahashi	96b2e51828	Added test for #176	2018-04-18 22:33:36 +09:00
Kohei Takahashi	e962c1abb5	Fixed vector compile error with C-style array	2018-04-18 22:31:35 +09:00
Kohei Takahashi	7899658d8e	Merge pull request #175 from boostorg/develop Post beta merge	2018-03-25 12:58:00 +09:00
Kohei Takahashi	e3b053f969	Remove detail metafunctions to simplify template	2018-03-15 20:49:38 +09:00
Kohei Takahashi	11a3f250b8	Remove unused header	2018-03-15 19:56:07 +09:00
Kohei Takahashi	79262831ef	Merge pull request #174 from boostorg/testfix/logical-and Fixed detail::and test	2018-03-15 13:35:23 +09:00
Kohei Takahashi	d8f608c8f1	Move is_native_fusion_sequence to detail in order to reuse it in is_mpl_sequence	2018-03-14 14:53:30 +09:00
Kohei Takahashi	2aea153be0	Use fold expression to improbe compile speed	2018-03-14 14:53:07 +09:00
Kohei Takahashi	4734cf4a13	Fixed detail::and test it should be used mpl/assert instead of runtime facility.	2018-03-14 14:41:43 +09:00
Kohei Takahashi	d5bd71c886	Update dead/moved links	2018-03-14 00:51:48 +09:00
Kohei Takahashi	c3dec40e72	Fixed links to support list. Gmane had been closed and not back yet.	2018-03-13 23:18:03 +09:00
Kohei Takahashi	03ac9086bc	Merge pull request #172 from boostorg/develop Pre 1.67.0 beta merge - agian	2018-03-06 15:09:50 +09:00
Kohei Takahashi	9de3272174	Added workaround for GCC 4.4/c++0x Teh call of ctor is ambiguous since gcc 4.4 allows binding rvalue to lvalue reference.	2018-03-06 00:40:41 +09:00
Kohei Takahashi	25c6334c58	meta: Update failure toolset name	2018-03-03 16:20:08 +09:00
Kohei Takahashi	101a056a92	Merge pull request #171 from ldionne/develop Allow incomplete types in fusion::tag_of and fusion::is_native_fusion_sequence	2018-03-03 13:31:22 +09:00
Louis Dionne	82f677c169	Allow incomplete types in fusion::tag_of and fusion::is_native_fusion_sequence	2018-03-02 02:03:43 -08:00
Kohei Takahashi	479bc3133b	Merge pull request #169 from boostorg/develop Pre 1.67.0 beta merge	2018-02-26 01:02:16 +09:00
Kohei Takahashi	f61bffb21f	Remove $$$ JDG temp $$$	2018-02-24 16:00:57 +09:00
Kohei Takahashi	4c67886cc2	Merge pull request #168 from Kojoley/add-limits-precheck Add limits precheck	2018-02-21 21:45:13 +09:00
Nikita Kniazev	38818fbe3d	Add limits precheck	2018-02-20 22:44:34 +03:00
Kohei Takahashi	eeeee9bfbb	Fixed ambiguous call of hash_value ADL also picks stdext::hash_value which msvc providing.	2018-02-19 22:40:56 +09:00
Kohei Takahashi	eb0cbbc347	CI: trusty doesn't provide gcc 4.5	2018-02-18 21:25:51 +09:00
Kohei Takahashi	d0c17119e7	CI: skip known to fail	2018-02-17 17:46:03 +09:00
Kohei Takahashi	28ea5dacce	CI: Added more build target	2018-02-17 17:45:49 +09:00
Kohei Takahashi	6c96720080	CI: Remove build branch restriction	2018-02-17 17:27:20 +09:00
Kohei Takahashi	0a8f0f49b2	Merge pull request #167 from boostorg/enhancement/ci Improve CI performance, like phoenix	2018-01-29 20:04:18 +09:00
Kohei Takahashi	cdd1408d2b	Update dependency functional/hash was branched off into contaienr_hash	2018-01-29 12:35:30 +09:00
Kohei Takahashi	540ea0ef0c	Use build time configuration	2018-01-29 12:03:19 +09:00
Kohei Takahashi	671f22b013	Use new common CI marker	2018-01-29 10:34:33 +09:00
Kohei Takahashi	dfceaffc58	Update copyright year	2018-01-29 10:30:55 +09:00
Kohei Takahashi	2c86e9d18c	Added hash option to b2 to mitigate max path length exceeding.	2018-01-29 10:17:06 +09:00
Kohei Takahashi	d8e6f406ab	Mark as CI in Jamfile not command line super-project also runs regression test, but they doesn't define that.	2018-01-29 10:15:39 +09:00
Kohei Takahashi	b42314fb02	Enabling parallel option to CI job	2018-01-29 10:10:15 +09:00
Kohei Takahashi	806b621931	Merge pull request #166 from Kojoley/cwg-defect-945 vector: Fix for compilers not compatible with CWG defect 945	2017-12-24 11:40:58 +09:00
Nikita Kniazev	39fb05e40f	vector: Fix for compilers not compatible with CWG defect 945 http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#945	2017-12-23 18:17:04 +03:00
Joel de Guzman	dc47261890	Merge pull request #164 from Kojoley/fix-map-vs2017-15.5 map: Switch to SFINAE in template parameters	2017-12-14 06:45:27 +08:00
Nikita Kniazev	099333b61d	map: Switch to SFINAE in template parameters Fixes #163. Since C++11 we can do SFINAE in template parameters. VS2017 15.5 doesn't like the SFINAE on argument here, but do not ask me why, because I have no idea.	2017-12-14 00:05:28 +03:00