Re-add support for G++ 4.8 and configure travis to use it

[apt.git] / apt-pkg / cacheset.h

diff --git a/apt-pkg/cacheset.h b/apt-pkg/cacheset.h
index 7fd740335bb7a093f29a2c9ed20d952e1179a582..7c03ad97ae2759f7f7e7c030d5ebe83c1995508b 100644 (file)
--- a/apt-pkg/cacheset.h
+++ b/apt-pkg/cacheset.h
@@ -12,7 +12,12 @@
 #include <fstream>
 #include <map>
 #include <set>
 #include <fstream>
 #include <map>
 #include <set>

+#if __cplusplus >= 201103L
+#include <unordered_set>
+#include <forward_list>
+#endif

 #include <list>
 #include <list>

+#include <deque>

 #include <vector>
 #include <string>
 #include <iterator>
 #include <vector>
 #include <string>
 #include <iterator>


@@ -203,9 +208,91 @@ protected:
        bool PackageFromPackageName(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
        bool PackageFromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern);
 private:
        bool PackageFromPackageName(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern);
        bool PackageFromString(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string const &pattern);
 private:

-       void *d;
+       void * const d;

 };                                                                     /*}}}*/
 };                                                                     /*}}}*/

+// Iterator templates for our Containers                               /*{{{*/
+template<typename Interface, typename Master, typename iterator_type, typename container_iterator, typename container_value> class Container_iterator_base :
+   public std::iterator<typename std::iterator_traits<container_iterator>::iterator_category, container_iterator>,
+   public Interface::template iterator_base<iterator_type>
+{
+protected:
+       container_iterator _iter;
+public:
+       explicit Container_iterator_base(container_iterator i) : _iter(i) {}
+       inline container_value operator*(void) const { return static_cast<iterator_type const*>(this)->getType(); };
+       operator container_iterator(void) const { return _iter; }
+       inline iterator_type& operator++() { ++_iter; return static_cast<iterator_type&>(*this); }
+       inline iterator_type operator++(int) { iterator_type tmp(*this); operator++(); return tmp; }
+       inline iterator_type operator+(typename container_iterator::difference_type const &n) { return iterator_type(_iter + n); }
+       inline iterator_type operator+=(typename container_iterator::difference_type const &n) { _iter += n; return static_cast<iterator_type&>(*this); }
+       inline iterator_type& operator--() { --_iter;; return static_cast<iterator_type&>(*this); }
+       inline iterator_type operator--(int) { iterator_type tmp(*this); operator--(); return tmp; }
+       inline iterator_type operator-(typename container_iterator::difference_type const &n) { return iterator_type(_iter - n); }
+       inline iterator_type operator-=(typename container_iterator::difference_type const &n) { _iter -= n; return static_cast<iterator_type&>(*this); }
+       inline bool operator!=(iterator_type const &i) const { return _iter != i._iter; }
+       inline bool operator==(iterator_type const &i) const { return _iter == i._iter; }
+       inline bool operator<(iterator_type const &i) const { return _iter < i._iter; }
+       inline bool operator>(iterator_type const &i) const { return _iter > i._iter; }
+       inline bool operator<=(iterator_type const &i) const { return _iter <= i._iter; }
+       inline bool operator>=(iterator_type const &i) const { return _iter >= i._iter; }
+       inline typename container_iterator::reference operator[](typename container_iterator::difference_type const &n) const { return _iter[n]; }
+
+       friend std::ostream& operator<<(std::ostream& out, iterator_type i) { return operator<<(out, *i); }
+       friend Master;
+};
+template<class Interface, class Container, class Master> class Container_const_iterator :
+   public Container_iterator_base<Interface, Master, Container_const_iterator<Interface, Container, Master>, typename Container::const_iterator, typename Container::value_type>
+{
+       typedef Container_const_iterator<Interface, Container, Master> iterator_type;
+       typedef typename Container::const_iterator container_iterator;
+public:
+       explicit Container_const_iterator(container_iterator i) :
+          Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {}
+
+       inline typename Container::value_type getType(void) const { return *this->_iter; }
+};
+template<class Interface, class Container, class Master> class Container_iterator :
+   public Container_iterator_base<Interface, Master, Container_iterator<Interface, Container, Master>, typename Container::iterator, typename Container::value_type>
+{
+       typedef Container_iterator<Interface, Container, Master> iterator_type;
+       typedef typename Container::iterator container_iterator;
+public:
+       explicit Container_iterator(container_iterator i) :
+          Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {}
+
+       operator typename Master::const_iterator() { return typename Master::const_iterator(this->_iter); }
+       inline iterator_type& operator=(iterator_type const &i) { this->_iter = i._iter; return static_cast<iterator_type&>(*this); }
+       inline iterator_type& operator=(container_iterator const &i) { this->_iter = i; return static_cast<iterator_type&>(*this); }
+
+       inline typename Container::value_type getType(void) const { return *this->_iter; }
+};
+template<class Interface, class Container, class Master> class Container_const_reverse_iterator :
+   public Container_iterator_base<Interface, Master, Container_const_reverse_iterator<Interface, Container, Master>, typename Container::const_reverse_iterator, typename Container::value_type>
+{
+       typedef Container_const_reverse_iterator<Interface, Container, Master> iterator_type;
+       typedef typename Container::const_reverse_iterator container_iterator;
+public:
+       explicit Container_const_reverse_iterator(container_iterator i) :
+          Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {}
+
+       inline typename Container::value_type getType(void) const { return *this->_iter; }
+};
+template<class Interface, class Container, class Master> class Container_reverse_iterator :
+   public Container_iterator_base<Interface, Master, Container_reverse_iterator<Interface, Container, Master>, typename Container::reverse_iterator, typename Container::value_type>
+{
+       typedef Container_reverse_iterator<Interface, Container, Master> iterator_type;
+       typedef typename Container::reverse_iterator container_iterator;
+public:
+       explicit Container_reverse_iterator(container_iterator i) :
+          Container_iterator_base<Interface, Master, iterator_type, container_iterator, typename Container::value_type>(i) {}

 
 

+       operator typename Master::const_iterator() { return typename Master::const_iterator(this->_iter); }
+       inline iterator_type& operator=(iterator_type const &i) { this->_iter = i._iter; return static_cast<iterator_type&>(*this); }
+       inline iterator_type& operator=(container_iterator const &i) { this->_iter = i; return static_cast<iterator_type&>(*this); }
+
+       inline typename Container::value_type getType(void) const { return *this->_iter; }
+};
+                                                                       /*}}}*/

 class PackageContainerInterface {                                      /*{{{*/
 /** \class PackageContainerInterface
 
 class PackageContainerInterface {                                      /*{{{*/
 /** \class PackageContainerInterface
 


@@ -217,41 +304,42 @@ class PackageContainerInterface {                                 /*{{{*/
  * This class mostly protects use from the need to write all implementation
  * of the methods working on containers in the template */
 public:
  * This class mostly protects use from the need to write all implementation
  * of the methods working on containers in the template */
 public:

-       class const_iterator {                                          /*{{{*/
+       template<class Itr> class iterator_base {                       /*{{{*/
+               pkgCache::PkgIterator getType() const { return static_cast<Itr const*>(this)->getType(); };

        public:
        public:

-               virtual pkgCache::PkgIterator getPkg() const = 0;
-               operator pkgCache::PkgIterator(void) const { return getPkg(); }
+               operator pkgCache::PkgIterator(void) const { return getType(); }

 
 

-               inline const char *Name() const {return getPkg().Name(); }
-               inline std::string FullName(bool const Pretty) const { return getPkg().FullName(Pretty); }
-               inline std::string FullName() const { return getPkg().FullName(); }
+               inline const char *Name() const {return getType().Name(); }
+               inline std::string FullName(bool const Pretty) const { return getType().FullName(Pretty); }
+               inline std::string FullName() const { return getType().FullName(); }

                APT_DEPRECATED inline const char *Section() const {
                   APT_IGNORE_DEPRECATED_PUSH
                APT_DEPRECATED inline const char *Section() const {
                   APT_IGNORE_DEPRECATED_PUSH

-                     return getPkg().Section();
+                     return getType().Section();

                   APT_IGNORE_DEPRECATED_POP
                }
                   APT_IGNORE_DEPRECATED_POP
                }

-               inline bool Purge() const {return getPkg().Purge(); }
-               inline const char *Arch() const {return getPkg().Arch(); }
-               inline pkgCache::GrpIterator Group() const { return getPkg().Group(); }
-               inline pkgCache::VerIterator VersionList() const { return getPkg().VersionList(); }
-               inline pkgCache::VerIterator CurrentVer() const { return getPkg().CurrentVer(); }
-               inline pkgCache::DepIterator RevDependsList() const { return getPkg().RevDependsList(); }
-               inline pkgCache::PrvIterator ProvidesList() const { return getPkg().ProvidesList(); }
-               inline pkgCache::PkgIterator::OkState State() const { return getPkg().State(); }
-               inline const char *CandVersion() const { return getPkg().CandVersion(); }
-               inline const char *CurVersion() const { return getPkg().CurVersion(); }
-               inline pkgCache *Cache() const { return getPkg().Cache(); }
-               inline unsigned long Index() const {return getPkg().Index();}
+               inline bool Purge() const {return getType().Purge(); }
+               inline const char *Arch() const {return getType().Arch(); }
+               inline pkgCache::GrpIterator Group() const { return getType().Group(); }
+               inline pkgCache::VerIterator VersionList() const { return getType().VersionList(); }
+               inline pkgCache::VerIterator CurrentVer() const { return getType().CurrentVer(); }
+               inline pkgCache::DepIterator RevDependsList() const { return getType().RevDependsList(); }
+               inline pkgCache::PrvIterator ProvidesList() const { return getType().ProvidesList(); }
+               inline pkgCache::PkgIterator::OkState State() const { return getType().State(); }
+               inline const char *CandVersion() const { return getType().CandVersion(); }
+               inline const char *CurVersion() const { return getType().CurVersion(); }
+               inline pkgCache *Cache() const { return getType().Cache(); }
+               inline unsigned long Index() const {return getType().Index();}

                // we have only valid iterators here
                inline bool end() const { return false; }
 
                // we have only valid iterators here
                inline bool end() const { return false; }
 

-               inline pkgCache::Package const * operator->() const {return &*getPkg();}
+               inline pkgCache::Package const * operator->() const {return &*getType();}

        };
                                                                        /*}}}*/
 
        virtual bool insert(pkgCache::PkgIterator const &P) = 0;
        virtual bool empty() const = 0;
        virtual void clear() = 0;
        };
                                                                        /*}}}*/
 
        virtual bool insert(pkgCache::PkgIterator const &P) = 0;
        virtual bool empty() const = 0;
        virtual void clear() = 0;

+       virtual size_t size() const = 0;

 
        // FIXME: This is a bloody hack removed soon. Use CacheSetHelper::PkgSelector !
        enum APT_DEPRECATED Constructor { UNKNOWN = CacheSetHelper::UNKNOWN,
 
        // FIXME: This is a bloody hack removed soon. Use CacheSetHelper::PkgSelector !
        enum APT_DEPRECATED Constructor { UNKNOWN = CacheSetHelper::UNKNOWN,


@@ -266,6 +354,7 @@ APT_IGNORE_DEPRECATED_POP
        CacheSetHelper::PkgSelector getConstructor() const { return ConstructedBy; }
        PackageContainerInterface();
        explicit PackageContainerInterface(CacheSetHelper::PkgSelector const by);
        CacheSetHelper::PkgSelector getConstructor() const { return ConstructedBy; }
        PackageContainerInterface();
        explicit PackageContainerInterface(CacheSetHelper::PkgSelector const by);

+       PackageContainerInterface& operator=(PackageContainerInterface const &other);

        virtual ~PackageContainerInterface();
 
        APT_DEPRECATED static bool FromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {
        virtual ~PackageContainerInterface();
 
        APT_DEPRECATED static bool FromTask(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper) {


@@ -294,7 +383,7 @@ APT_IGNORE_DEPRECATED_POP
 
 private:
        CacheSetHelper::PkgSelector ConstructedBy;
 
 private:
        CacheSetHelper::PkgSelector ConstructedBy;

-       void *d;
+       void * const d;

 };
                                                                        /*}}}*/
 template<class Container> class PackageContainer : public PackageContainerInterface {/*{{{*/
 };
                                                                        /*}}}*/
 template<class Container> class PackageContainer : public PackageContainerInterface {/*{{{*/


@@ -306,56 +395,39 @@ template<class Container> class PackageContainer : public PackageContainerInterf
        Container _cont;
 public:                                                                        /*{{{*/
        /** \brief smell like a pkgCache::PkgIterator */
        Container _cont;
 public:                                                                        /*{{{*/
        /** \brief smell like a pkgCache::PkgIterator */

-       class const_iterator : public PackageContainerInterface::const_iterator,/*{{{*/
-                              public std::iterator<std::forward_iterator_tag, typename Container::const_iterator> {
-               typename Container::const_iterator _iter;
-       public:
-               explicit const_iterator(typename Container::const_iterator i) : _iter(i) {}
-               pkgCache::PkgIterator getPkg(void) const { return *_iter; }
-               inline pkgCache::PkgIterator operator*(void) const { return *_iter; }
-               operator typename Container::const_iterator(void) const { return _iter; }
-               inline const_iterator& operator++() { ++_iter; return *this; }
-               inline const_iterator operator++(int) { const_iterator tmp(*this); operator++(); return tmp; }
-               inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; }
-               inline bool operator==(const_iterator const &i) const { return _iter == i._iter; }
-               friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); }
-       };
-       class iterator : public PackageContainerInterface::const_iterator,
-                        public std::iterator<std::forward_iterator_tag, typename Container::iterator> {
-               typename Container::iterator _iter;
-       public:
-               explicit iterator(typename Container::iterator i) : _iter(i) {}
-               pkgCache::PkgIterator getPkg(void) const { return *_iter; }
-               inline pkgCache::PkgIterator operator*(void) const { return *_iter; }
-               operator typename Container::iterator(void) const { return _iter; }
-               operator typename PackageContainer<Container>::const_iterator() { return typename PackageContainer<Container>::const_iterator(_iter); }
-               inline iterator& operator++() { ++_iter; return *this; }
-               inline iterator operator++(int) { iterator tmp(*this); operator++(); return tmp; }
-               inline bool operator!=(iterator const &i) const { return _iter != i._iter; }
-               inline bool operator==(iterator const &i) const { return _iter == i._iter; }
-               inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; }
-               inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; }
-               friend std::ostream& operator<<(std::ostream& out, iterator i) { return operator<<(out, *i); }
-       };
-                                                                       /*}}}*/
+       typedef Container_const_iterator<PackageContainerInterface, Container, PackageContainer> const_iterator;
+       typedef Container_iterator<PackageContainerInterface, Container, PackageContainer> iterator;
+       typedef Container_const_reverse_iterator<PackageContainerInterface, Container, PackageContainer> const_reverse_iterator;
+       typedef Container_reverse_iterator<PackageContainerInterface, Container, PackageContainer> reverse_iterator;

 
 

-       bool insert(pkgCache::PkgIterator const &P) { if (P.end() == true) return false; _cont.insert(P); return true; }
+       bool insert(pkgCache::PkgIterator const &P) APT_OVERRIDE { if (P.end() == true) return false; _cont.insert(P); return true; }

        template<class Cont> void insert(PackageContainer<Cont> const &pkgcont) { _cont.insert((typename Cont::const_iterator)pkgcont.begin(), (typename Cont::const_iterator)pkgcont.end()); }
        void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }
 
        template<class Cont> void insert(PackageContainer<Cont> const &pkgcont) { _cont.insert((typename Cont::const_iterator)pkgcont.begin(), (typename Cont::const_iterator)pkgcont.end()); }
        void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }
 

-       bool empty() const { return _cont.empty(); }
-       void clear() { return _cont.clear(); }
-       //FIXME: on ABI break, replace the first with the second without bool
-       void erase(iterator position) { _cont.erase((typename Container::iterator)position); }
-       iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); }
-       size_t erase(const pkgCache::PkgIterator x) { return _cont.erase(x); }
-       void erase(iterator first, iterator last) { _cont.erase(first, last); }
-       size_t size() const { return _cont.size(); }
-
+       bool empty() const APT_OVERRIDE { return _cont.empty(); }
+       void clear() APT_OVERRIDE { return _cont.clear(); }
+       size_t size() const APT_OVERRIDE { return _cont.size(); }
+#if __GNUC__ >= 5 || (__GNUC_MINOR__ >= 9 && __GNUC__ >= 4)
+       iterator erase( const_iterator pos ) { return iterator(_cont.erase(pos._iter)); }
+       iterator erase( const_iterator first, const_iterator last ) { return iterator(_cont.erase(first._iter, last._iter)); }
+#else
+       iterator erase( iterator pos ) { return iterator(_cont.erase(pos._iter)); }
+       iterator erase( iterator first, iterator last ) { return iterator(_cont.erase(first._iter, last._iter)); }
+#endif

        const_iterator begin() const { return const_iterator(_cont.begin()); }
        const_iterator end() const { return const_iterator(_cont.end()); }
        const_iterator begin() const { return const_iterator(_cont.begin()); }
        const_iterator end() const { return const_iterator(_cont.end()); }

+       const_reverse_iterator rbegin() const { return const_reverse_iterator(_cont.rbegin()); }
+       const_reverse_iterator rend() const { return const_reverse_iterator(_cont.rend()); }
+#if __cplusplus >= 201103L
+       const_iterator cbegin() const { return const_iterator(_cont.cbegin()); }
+       const_iterator cend() const { return const_iterator(_cont.cend()); }
+       const_reverse_iterator crbegin() const { return const_reverse_iterator(_cont.crbegin()); }
+       const_reverse_iterator crend() const { return const_reverse_iterator(_cont.crend()); }
+#endif

        iterator begin() { return iterator(_cont.begin()); }
        iterator end() { return iterator(_cont.end()); }
        iterator begin() { return iterator(_cont.begin()); }
        iterator end() { return iterator(_cont.end()); }

+       reverse_iterator rbegin() { return reverse_iterator(_cont.rbegin()); }
+       reverse_iterator rend() { return reverse_iterator(_cont.rend()); }

        const_iterator find(pkgCache::PkgIterator const &P) const { return const_iterator(_cont.find(P)); }
 
        PackageContainer() : PackageContainerInterface(CacheSetHelper::UNKNOWN) {}
        const_iterator find(pkgCache::PkgIterator const &P) const { return const_iterator(_cont.find(P)); }
 
        PackageContainer() : PackageContainerInterface(CacheSetHelper::UNKNOWN) {}


@@ -507,16 +579,26 @@ APT_IGNORE_DEPRECATED_POP
        }
                                                                        /*}}}*/
 };                                                                     /*}}}*/
        }
                                                                        /*}}}*/
 };                                                                     /*}}}*/

-// specialisations for push_back containers: std::list & std::vector   /*{{{*/
+// various specialisations for PackageContainer                                /*{{{*/

 template<> template<class Cont> void PackageContainer<std::list<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
        for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
                _cont.push_back(*p);
 }
 template<> template<class Cont> void PackageContainer<std::list<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
        for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
                _cont.push_back(*p);
 }

+#if __cplusplus >= 201103L
+template<> template<class Cont> void PackageContainer<std::forward_list<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
+       for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
+               _cont.push_front(*p);
+}
+#endif
+template<> template<class Cont> void PackageContainer<std::deque<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
+       for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
+               _cont.push_back(*p);
+}

 template<> template<class Cont> void PackageContainer<std::vector<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
        for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
                _cont.push_back(*p);
 }
 template<> template<class Cont> void PackageContainer<std::vector<pkgCache::PkgIterator> >::insert(PackageContainer<Cont> const &pkgcont) {
        for (typename PackageContainer<Cont>::const_iterator p = pkgcont.begin(); p != pkgcont.end(); ++p)
                _cont.push_back(*p);
 }

-// these two are 'inline' as otherwise the linker has problems with seeing these untemplated
+// these are 'inline' as otherwise the linker has problems with seeing these untemplated

 // specializations again and again - but we need to see them, so that library users can use them
 template<> inline bool PackageContainer<std::list<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
        if (P.end() == true)
 // specializations again and again - but we need to see them, so that library users can use them
 template<> inline bool PackageContainer<std::list<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
        if (P.end() == true)


@@ -524,6 +606,20 @@ template<> inline bool PackageContainer<std::list<pkgCache::PkgIterator> >::inse
        _cont.push_back(P);
        return true;
 }
        _cont.push_back(P);
        return true;
 }

+#if __cplusplus >= 201103L
+template<> inline bool PackageContainer<std::forward_list<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
+       if (P.end() == true)
+               return false;
+       _cont.push_front(P);
+       return true;
+}
+#endif
+template<> inline bool PackageContainer<std::deque<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
+       if (P.end() == true)
+               return false;
+       _cont.push_back(P);
+       return true;
+}

 template<> inline bool PackageContainer<std::vector<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
        if (P.end() == true)
                return false;
 template<> inline bool PackageContainer<std::vector<pkgCache::PkgIterator> >::insert(pkgCache::PkgIterator const &P) {
        if (P.end() == true)
                return false;


@@ -534,16 +630,49 @@ template<> inline void PackageContainer<std::list<pkgCache::PkgIterator> >::inse
        for (const_iterator p = begin; p != end; ++p)
                _cont.push_back(*p);
 }
        for (const_iterator p = begin; p != end; ++p)
                _cont.push_back(*p);
 }

+#if __cplusplus >= 201103L
+template<> inline void PackageContainer<std::forward_list<pkgCache::PkgIterator> >::insert(const_iterator begin, const_iterator end) {
+       for (const_iterator p = begin; p != end; ++p)
+               _cont.push_front(*p);
+}
+#endif
+template<> inline void PackageContainer<std::deque<pkgCache::PkgIterator> >::insert(const_iterator begin, const_iterator end) {
+       for (const_iterator p = begin; p != end; ++p)
+               _cont.push_back(*p);
+}

 template<> inline void PackageContainer<std::vector<pkgCache::PkgIterator> >::insert(const_iterator begin, const_iterator end) {
        for (const_iterator p = begin; p != end; ++p)
                _cont.push_back(*p);
 }
 template<> inline void PackageContainer<std::vector<pkgCache::PkgIterator> >::insert(const_iterator begin, const_iterator end) {
        for (const_iterator p = begin; p != end; ++p)
                _cont.push_back(*p);
 }

-                                                                       /*}}}*/
-
+#if __cplusplus < 201103L
+template<> inline PackageContainer<std::set<pkgCache::PkgIterator> >::iterator PackageContainer<std::set<pkgCache::PkgIterator> >::erase(iterator i) {
+       _cont.erase(i._iter);
+       return end();
+}
+template<> inline PackageContainer<std::set<pkgCache::PkgIterator> >::iterator PackageContainer<std::set<pkgCache::PkgIterator> >::erase(iterator first, iterator last) {
+       _cont.erase(first, last);
+       return end();
+}
+#endif

 template<> template<class Compare> inline bool PackageContainer<std::vector<pkgCache::PkgIterator> >::sort(Compare Comp) {
        std::sort(_cont.begin(), _cont.end(), Comp);
        return true;
 }
 template<> template<class Compare> inline bool PackageContainer<std::vector<pkgCache::PkgIterator> >::sort(Compare Comp) {
        std::sort(_cont.begin(), _cont.end(), Comp);
        return true;
 }

+template<> template<class Compare> inline bool PackageContainer<std::list<pkgCache::PkgIterator> >::sort(Compare Comp) {
+       _cont.sort(Comp);
+       return true;
+}
+#if __cplusplus >= 201103L
+template<> template<class Compare> inline bool PackageContainer<std::forward_list<pkgCache::PkgIterator> >::sort(Compare Comp) {
+       _cont.sort(Comp);
+       return true;
+}
+#endif
+template<> template<class Compare> inline bool PackageContainer<std::deque<pkgCache::PkgIterator> >::sort(Compare Comp) {
+       std::sort(_cont.begin(), _cont.end(), Comp);
+       return true;
+}
+                                                                       /*}}}*/

 
 // class PackageUniverse - pkgCache as PackageContainerInterface       /*{{{*/
 /** \class PackageUniverse
 
 // class PackageUniverse - pkgCache as PackageContainerInterface       /*{{{*/
 /** \class PackageUniverse


@@ -553,37 +682,53 @@ template<> template<class Compare> inline bool PackageContainer<std::vector<pkgC
 
     The wrapping is read-only in practice modeled by making erase and co
     private methods. */
 
     The wrapping is read-only in practice modeled by making erase and co
     private methods. */

-class APT_HIDDEN PackageUniverse : public PackageContainerInterface {
+class APT_PUBLIC PackageUniverse : public PackageContainerInterface {

        pkgCache * const _cont;
        pkgCache * const _cont;

-       void *d;
+       void * const d;

 public:
 public:

-       typedef pkgCache::PkgIterator iterator;
-       typedef pkgCache::PkgIterator const_iterator;
+       class const_iterator : public APT::Container_iterator_base<APT::PackageContainerInterface, PackageUniverse, PackageUniverse::const_iterator, pkgCache::PkgIterator, pkgCache::PkgIterator>
+       {
+       public:
+          explicit const_iterator(pkgCache::PkgIterator i):
+             Container_iterator_base<APT::PackageContainerInterface, PackageUniverse, PackageUniverse::const_iterator, pkgCache::PkgIterator, pkgCache::PkgIterator>(i) {}
+
+          inline pkgCache::PkgIterator getType(void) const { return _iter; }
+       };
+       typedef const_iterator iterator;

 
 

-       APT_PUBLIC bool empty() const { return false; }
-       APT_PUBLIC size_t size() const { return _cont->Head().PackageCount; }
+       bool empty() const APT_OVERRIDE { return false; }
+       size_t size() const APT_OVERRIDE { return _cont->Head().PackageCount; }

 
 

-       APT_PUBLIC const_iterator begin() const { return _cont->PkgBegin(); }
-       APT_PUBLIC const_iterator end() const { return  _cont->PkgEnd(); }
-       APT_PUBLIC iterator begin() { return _cont->PkgBegin(); }
-       APT_PUBLIC iterator end() { return _cont->PkgEnd(); }
+       const_iterator begin() const { return const_iterator(_cont->PkgBegin()); }
+       const_iterator end() const { return const_iterator(_cont->PkgEnd()); }
+       const_iterator cbegin() const { return const_iterator(_cont->PkgBegin()); }
+       const_iterator cend() const { return const_iterator(_cont->PkgEnd()); }
+       iterator begin() { return iterator(_cont->PkgBegin()); }
+       iterator end() { return iterator(_cont->PkgEnd()); }

 
 

-       explicit APT_PUBLIC PackageUniverse(pkgCache * const Owner);
-       APT_PUBLIC virtual ~PackageUniverse();
+       pkgCache * data() const { return _cont; }
+
+       explicit PackageUniverse(pkgCache * const Owner);
+       explicit PackageUniverse(pkgCacheFile * const Owner);
+       virtual ~PackageUniverse();

 
 private:
 
 private:

-       bool insert(pkgCache::PkgIterator const &) { return true; }
-       template<class Cont> void insert(PackageContainer<Cont> const &) { }
-       void insert(const_iterator, const_iterator) { }
-
-       void clear() { }
-       iterator& erase(iterator &iter) { return iter; }
-       size_t erase(const pkgCache::PkgIterator) { return 0; }
-       void erase(iterator, iterator) { }
+       APT_HIDDEN bool insert(pkgCache::PkgIterator const &) APT_OVERRIDE { return true; }
+       template<class Cont> APT_HIDDEN void insert(PackageContainer<Cont> const &) { }
+       APT_HIDDEN void insert(const_iterator, const_iterator) { }
+
+       APT_HIDDEN void clear() APT_OVERRIDE { }
+       APT_HIDDEN iterator erase( const_iterator pos );
+       APT_HIDDEN iterator erase( const_iterator first, const_iterator last );

 };
                                                                        /*}}}*/
 typedef PackageContainer<std::set<pkgCache::PkgIterator> > PackageSet;
 };
                                                                        /*}}}*/
 typedef PackageContainer<std::set<pkgCache::PkgIterator> > PackageSet;

+#if __cplusplus >= 201103L
+typedef PackageContainer<std::unordered_set<pkgCache::PkgIterator> > PackageUnorderedSet;
+typedef PackageContainer<std::forward_list<pkgCache::PkgIterator> > PackageForwardList;
+#endif

 typedef PackageContainer<std::list<pkgCache::PkgIterator> > PackageList;
 typedef PackageContainer<std::list<pkgCache::PkgIterator> > PackageList;

+typedef PackageContainer<std::deque<pkgCache::PkgIterator> > PackageDeque;

 typedef PackageContainer<std::vector<pkgCache::PkgIterator> > PackageVector;
 
 class VersionContainerInterface {                                      /*{{{*/
 typedef PackageContainer<std::vector<pkgCache::PkgIterator> > PackageVector;
 
 class VersionContainerInterface {                                      /*{{{*/


@@ -592,38 +737,39 @@ class VersionContainerInterface {                                 /*{{{*/
     Same as APT::PackageContainerInterface, just for Versions */
 public:
        /** \brief smell like a pkgCache::VerIterator */
     Same as APT::PackageContainerInterface, just for Versions */
 public:
        /** \brief smell like a pkgCache::VerIterator */

-       class const_iterator {                                          /*{{{*/
+       template<class Itr> class iterator_base {                       /*{{{*/
+          pkgCache::VerIterator getType() const { return static_cast<Itr const*>(this)->getType(); };

        public:
        public:

-               virtual pkgCache::VerIterator getVer() const = 0;
-               operator pkgCache::VerIterator(void) { return getVer(); }
-
-               inline pkgCache *Cache() const { return getVer().Cache(); }
-               inline unsigned long Index() const {return getVer().Index();}
-               inline int CompareVer(const pkgCache::VerIterator &B) const { return getVer().CompareVer(B); }
-               inline const char *VerStr() const { return getVer().VerStr(); }
-               inline const char *Section() const { return getVer().Section(); }
-               inline const char *Arch() const { return getVer().Arch(); }
-               inline pkgCache::PkgIterator ParentPkg() const { return getVer().ParentPkg(); }
-               inline pkgCache::DescIterator DescriptionList() const { return getVer().DescriptionList(); }
-               inline pkgCache::DescIterator TranslatedDescription() const { return getVer().TranslatedDescription(); }
-               inline pkgCache::DepIterator DependsList() const { return getVer().DependsList(); }
-               inline pkgCache::PrvIterator ProvidesList() const { return getVer().ProvidesList(); }
-               inline pkgCache::VerFileIterator FileList() const { return getVer().FileList(); }
-               inline bool Downloadable() const { return getVer().Downloadable(); }
-               inline const char *PriorityType() const { return getVer().PriorityType(); }
-               inline std::string RelStr() const { return getVer().RelStr(); }
-               inline bool Automatic() const { return getVer().Automatic(); }
-               inline pkgCache::VerFileIterator NewestFile() const { return getVer().NewestFile(); }
+               operator pkgCache::VerIterator(void) { return getType(); }
+
+               inline pkgCache *Cache() const { return getType().Cache(); }
+               inline unsigned long Index() const {return getType().Index();}
+               inline int CompareVer(const pkgCache::VerIterator &B) const { return getType().CompareVer(B); }
+               inline const char *VerStr() const { return getType().VerStr(); }
+               inline const char *Section() const { return getType().Section(); }
+               inline const char *Arch() const { return getType().Arch(); }
+               inline pkgCache::PkgIterator ParentPkg() const { return getType().ParentPkg(); }
+               inline pkgCache::DescIterator DescriptionList() const { return getType().DescriptionList(); }
+               inline pkgCache::DescIterator TranslatedDescription() const { return getType().TranslatedDescription(); }
+               inline pkgCache::DepIterator DependsList() const { return getType().DependsList(); }
+               inline pkgCache::PrvIterator ProvidesList() const { return getType().ProvidesList(); }
+               inline pkgCache::VerFileIterator FileList() const { return getType().FileList(); }
+               inline bool Downloadable() const { return getType().Downloadable(); }
+               inline const char *PriorityType() const { return getType().PriorityType(); }
+               inline std::string RelStr() const { return getType().RelStr(); }
+               inline bool Automatic() const { return getType().Automatic(); }
+               inline pkgCache::VerFileIterator NewestFile() const { return getType().NewestFile(); }

                // we have only valid iterators here
                inline bool end() const { return false; }
 
                // we have only valid iterators here
                inline bool end() const { return false; }
 

-               inline pkgCache::Version const * operator->() const { return &*getVer(); }
+               inline pkgCache::Version const * operator->() const { return &*getType(); }

        };
                                                                        /*}}}*/
 
        virtual bool insert(pkgCache::VerIterator const &V) = 0;
        virtual bool empty() const = 0;
        virtual void clear() = 0;
        };
                                                                        /*}}}*/
 
        virtual bool insert(pkgCache::VerIterator const &V) = 0;
        virtual bool empty() const = 0;
        virtual void clear() = 0;

+       virtual size_t size() const = 0;

 
        /** \brief specifies which version(s) will be returned if non is given */
        enum APT_DEPRECATED Version {
 
        /** \brief specifies which version(s) will be returned if non is given */
        enum APT_DEPRECATED Version {


@@ -707,9 +853,10 @@ APT_IGNORE_DEPRECATED_PUSH
 APT_IGNORE_DEPRECATED_POP
 
        VersionContainerInterface();
 APT_IGNORE_DEPRECATED_POP
 
        VersionContainerInterface();

+       VersionContainerInterface& operator=(VersionContainerInterface const &other);

        virtual ~VersionContainerInterface();
 private:
        virtual ~VersionContainerInterface();
 private:

-       void *d;
+       void * const d;

 
 protected:                                                             /*{{{*/
 
 
 protected:                                                             /*{{{*/
 


@@ -739,56 +886,38 @@ template<class Container> class VersionContainer : public VersionContainerInterf
     pkgCache. */
        Container _cont;
 public:                                                                        /*{{{*/
     pkgCache. */
        Container _cont;
 public:                                                                        /*{{{*/

-       /** \brief smell like a pkgCache::VerIterator */
-       class const_iterator : public VersionContainerInterface::const_iterator,
-                              public std::iterator<std::forward_iterator_tag, typename Container::const_iterator> {/*{{{*/
-               typename Container::const_iterator _iter;
-       public:
-               explicit const_iterator(typename Container::const_iterator i) : _iter(i) {}
-               pkgCache::VerIterator getVer(void) const { return *_iter; }
-               inline pkgCache::VerIterator operator*(void) const { return *_iter; }
-               operator typename Container::const_iterator(void) const { return _iter; }
-               inline const_iterator& operator++() { ++_iter; return *this; }
-               inline const_iterator operator++(int) { const_iterator tmp(*this); operator++(); return tmp; }
-               inline bool operator!=(const_iterator const &i) const { return _iter != i._iter; }
-               inline bool operator==(const_iterator const &i) const { return _iter == i._iter; }
-               friend std::ostream& operator<<(std::ostream& out, const_iterator i) { return operator<<(out, *i); }
-       };
-       class iterator : public VersionContainerInterface::const_iterator,
-                        public std::iterator<std::forward_iterator_tag, typename Container::iterator> {
-               typename Container::iterator _iter;
-       public:
-               explicit iterator(typename Container::iterator i) : _iter(i) {}
-               pkgCache::VerIterator getVer(void) const { return *_iter; }
-               inline pkgCache::VerIterator operator*(void) const { return *_iter; }
-               operator typename Container::iterator(void) const { return _iter; }
-               operator typename VersionContainer<Container>::const_iterator() { return typename VersionContainer<Container>::const_iterator(_iter); }
-               inline iterator& operator++() { ++_iter; return *this; }
-               inline iterator operator++(int) { iterator tmp(*this); operator++(); return tmp; }
-               inline bool operator!=(iterator const &i) const { return _iter != i._iter; }
-               inline bool operator==(iterator const &i) const { return _iter == i._iter; }
-               inline iterator& operator=(iterator const &i) { _iter = i._iter; return *this; }
-               inline iterator& operator=(typename Container::iterator const &i) { _iter = i; return *this; }
-               friend std::ostream& operator<<(std::ostream& out, iterator i) { return operator<<(out, *i); }
-       };
-                                                                       /*}}}*/
+       typedef Container_const_iterator<VersionContainerInterface, Container, VersionContainer> const_iterator;
+       typedef Container_iterator<VersionContainerInterface, Container, VersionContainer> iterator;
+       typedef Container_const_reverse_iterator<VersionContainerInterface, Container, VersionContainer> const_reverse_iterator;
+       typedef Container_reverse_iterator<VersionContainerInterface, Container, VersionContainer> reverse_iterator;

 
 

-       bool insert(pkgCache::VerIterator const &V) { if (V.end() == true) return false; _cont.insert(V); return true; }
+       bool insert(pkgCache::VerIterator const &V) APT_OVERRIDE { if (V.end() == true) return false; _cont.insert(V); return true; }

        template<class Cont> void insert(VersionContainer<Cont> const &vercont) { _cont.insert((typename Cont::const_iterator)vercont.begin(), (typename Cont::const_iterator)vercont.end()); }
        void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }
        template<class Cont> void insert(VersionContainer<Cont> const &vercont) { _cont.insert((typename Cont::const_iterator)vercont.begin(), (typename Cont::const_iterator)vercont.end()); }
        void insert(const_iterator begin, const_iterator end) { _cont.insert(begin, end); }

-       bool empty() const { return _cont.empty(); }
-       void clear() { return _cont.clear(); }
-       //FIXME: on ABI break, replace the first with the second without bool
-       void erase(iterator position) { _cont.erase((typename Container::iterator)position); }
-       iterator& erase(iterator &position, bool) { return position = _cont.erase((typename Container::iterator)position); }
-       size_t erase(const pkgCache::VerIterator x) { return _cont.erase(x); }
-       void erase(iterator first, iterator last) { _cont.erase(first, last); }
-       size_t size() const { return _cont.size(); }
-
+       bool empty() const APT_OVERRIDE { return _cont.empty(); }
+       void clear() APT_OVERRIDE { return _cont.clear(); }
+       size_t size() const APT_OVERRIDE { return _cont.size(); }
+#if __GNUC__ >= 5 || (__GNUC_MINOR__ >= 9 && __GNUC__ >= 4)
+       iterator erase( const_iterator pos ) { return iterator(_cont.erase(pos._iter)); }
+       iterator erase( const_iterator first, const_iterator last ) { return iterator(_cont.erase(first._iter, last._iter)); }
+#else
+       iterator erase( iterator pos ) { return iterator(_cont.erase(pos._iter)); }
+       iterator erase( iterator first, iterator last ) { return iterator(_cont.erase(first._iter, last._iter)); }
+#endif

        const_iterator begin() const { return const_iterator(_cont.begin()); }
        const_iterator end() const { return const_iterator(_cont.end()); }
        const_iterator begin() const { return const_iterator(_cont.begin()); }
        const_iterator end() const { return const_iterator(_cont.end()); }

+       const_reverse_iterator rbegin() const { return const_reverse_iterator(_cont.rbegin()); }
+       const_reverse_iterator rend() const { return const_reverse_iterator(_cont.rend()); }
+#if __cplusplus >= 201103L
+       const_iterator cbegin() const { return const_iterator(_cont.cbegin()); }
+       const_iterator cend() const { return const_iterator(_cont.cend()); }
+       const_reverse_iterator crbegin() const { return const_reverse_iterator(_cont.crbegin()); }
+       const_reverse_iterator crend() const { return const_reverse_iterator(_cont.crend()); }
+#endif

        iterator begin() { return iterator(_cont.begin()); }
        iterator end() { return iterator(_cont.end()); }
        iterator begin() { return iterator(_cont.begin()); }
        iterator end() { return iterator(_cont.end()); }

+       reverse_iterator rbegin() { return reverse_iterator(_cont.rbegin()); }
+       reverse_iterator rend() { return reverse_iterator(_cont.rend()); }

        const_iterator find(pkgCache::VerIterator const &V) const { return const_iterator(_cont.find(V)); }
 
        /** \brief sort all included versions with given comparer
        const_iterator find(pkgCache::VerIterator const &V) const { return const_iterator(_cont.find(V)); }
 
        /** \brief sort all included versions with given comparer


@@ -934,7 +1063,7 @@ APT_IGNORE_DEPRECATED_POP
        static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
                                               CacheSetHelper::VerSelector const selector) {
                CacheSetHelper helper;
        static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
                                               CacheSetHelper::VerSelector const selector) {
                CacheSetHelper helper;

-               return FromPackage(Cache, D, selector, helper);
+               return FromDependency(Cache, D, selector, helper);

        }
 APT_IGNORE_DEPRECATED_PUSH
        static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
        }
 APT_IGNORE_DEPRECATED_PUSH
        static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,


@@ -946,24 +1075,34 @@ APT_IGNORE_DEPRECATED_PUSH
        static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
                                               Version const &selector) {
                CacheSetHelper helper;
        static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D,
                                               Version const &selector) {
                CacheSetHelper helper;

-               return FromPackage(Cache, D, (CacheSetHelper::VerSelector)selector, helper);
+               return FromDependency(Cache, D, (CacheSetHelper::VerSelector)selector, helper);

        }
 APT_IGNORE_DEPRECATED_POP
        static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D) {
        }
 APT_IGNORE_DEPRECATED_POP
        static VersionContainer FromDependency(pkgCacheFile &Cache, pkgCache::DepIterator const &D) {

-               return FromPackage(Cache, D, CacheSetHelper::CANDIDATE);
+               return FromDependency(Cache, D, CacheSetHelper::CANDIDATE);

        }
                                                                        /*}}}*/
 };                                                                     /*}}}*/
        }
                                                                        /*}}}*/
 };                                                                     /*}}}*/

-// specialisations for push_back containers: std::list & std::vector   /*{{{*/
+// various specialisations for VersionContainer                                /*{{{*/

 template<> template<class Cont> void VersionContainer<std::list<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
        for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
                _cont.push_back(*v);
 }
 template<> template<class Cont> void VersionContainer<std::list<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
        for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
                _cont.push_back(*v);
 }

+#if __cplusplus >= 201103L
+template<> template<class Cont> void VersionContainer<std::forward_list<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
+       for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
+               _cont.push_front(*v);
+}
+#endif
+template<> template<class Cont> void VersionContainer<std::deque<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
+       for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
+               _cont.push_back(*v);
+}

 template<> template<class Cont> void VersionContainer<std::vector<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
        for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
                _cont.push_back(*v);
 }
 template<> template<class Cont> void VersionContainer<std::vector<pkgCache::VerIterator> >::insert(VersionContainer<Cont> const &vercont) {
        for (typename VersionContainer<Cont>::const_iterator v = vercont.begin(); v != vercont.end(); ++v)
                _cont.push_back(*v);
 }

-// these two are 'inline' as otherwise the linker has problems with seeing these untemplated
+// these are 'inline' as otherwise the linker has problems with seeing these untemplated

 // specializations again and again - but we need to see them, so that library users can use them
 template<> inline bool VersionContainer<std::list<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
        if (V.end() == true)
 // specializations again and again - but we need to see them, so that library users can use them
 template<> inline bool VersionContainer<std::list<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
        if (V.end() == true)


@@ -971,6 +1110,20 @@ template<> inline bool VersionContainer<std::list<pkgCache::VerIterator> >::inse
        _cont.push_back(V);
        return true;
 }
        _cont.push_back(V);
        return true;
 }

+#if __cplusplus >= 201103L
+template<> inline bool VersionContainer<std::forward_list<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
+       if (V.end() == true)
+               return false;
+       _cont.push_front(V);
+       return true;
+}
+#endif
+template<> inline bool VersionContainer<std::deque<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
+       if (V.end() == true)
+               return false;
+       _cont.push_back(V);
+       return true;
+}

 template<> inline bool VersionContainer<std::vector<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
        if (V.end() == true)
                return false;
 template<> inline bool VersionContainer<std::vector<pkgCache::VerIterator> >::insert(pkgCache::VerIterator const &V) {
        if (V.end() == true)
                return false;


@@ -981,19 +1134,57 @@ template<> inline void VersionContainer<std::list<pkgCache::VerIterator> >::inse
        for (const_iterator v = begin; v != end; ++v)
                _cont.push_back(*v);
 }
        for (const_iterator v = begin; v != end; ++v)
                _cont.push_back(*v);
 }

+#if __cplusplus >= 201103L
+template<> inline void VersionContainer<std::forward_list<pkgCache::VerIterator> >::insert(const_iterator begin, const_iterator end) {
+       for (const_iterator v = begin; v != end; ++v)
+               _cont.push_front(*v);
+}
+#endif
+template<> inline void VersionContainer<std::deque<pkgCache::VerIterator> >::insert(const_iterator begin, const_iterator end) {
+       for (const_iterator v = begin; v != end; ++v)
+               _cont.push_back(*v);
+}

 template<> inline void VersionContainer<std::vector<pkgCache::VerIterator> >::insert(const_iterator begin, const_iterator end) {
        for (const_iterator v = begin; v != end; ++v)
                _cont.push_back(*v);
 }
 template<> inline void VersionContainer<std::vector<pkgCache::VerIterator> >::insert(const_iterator begin, const_iterator end) {
        for (const_iterator v = begin; v != end; ++v)
                _cont.push_back(*v);
 }

-                                                                       /*}}}*/
-
+#if __cplusplus < 201103L
+template<> inline VersionContainer<std::set<pkgCache::VerIterator> >::iterator VersionContainer<std::set<pkgCache::VerIterator> >::erase(iterator i) {
+       _cont.erase(i._iter);
+       return end();
+}
+template<> inline VersionContainer<std::set<pkgCache::VerIterator> >::iterator VersionContainer<std::set<pkgCache::VerIterator> >::erase(iterator first, iterator last) {
+       _cont.erase(first, last);
+       return end();
+}
+#endif

 template<> template<class Compare> inline bool VersionContainer<std::vector<pkgCache::VerIterator> >::sort(Compare Comp) {
        std::sort(_cont.begin(), _cont.end(), Comp);
        return true;
 }
 template<> template<class Compare> inline bool VersionContainer<std::vector<pkgCache::VerIterator> >::sort(Compare Comp) {
        std::sort(_cont.begin(), _cont.end(), Comp);
        return true;
 }

+template<> template<class Compare> inline bool VersionContainer<std::list<pkgCache::VerIterator> >::sort(Compare Comp) {
+       _cont.sort(Comp);
+       return true;
+}
+#if __cplusplus >= 201103L
+template<> template<class Compare> inline bool VersionContainer<std::forward_list<pkgCache::VerIterator> >::sort(Compare Comp) {
+       _cont.sort(Comp);
+       return true;
+}
+#endif
+template<> template<class Compare> inline bool VersionContainer<std::deque<pkgCache::VerIterator> >::sort(Compare Comp) {
+       std::sort(_cont.begin(), _cont.end(), Comp);
+       return true;
+}
+                                                                       /*}}}*/

 
 typedef VersionContainer<std::set<pkgCache::VerIterator> > VersionSet;
 
 typedef VersionContainer<std::set<pkgCache::VerIterator> > VersionSet;

+#if __cplusplus >= 201103L
+typedef VersionContainer<std::unordered_set<pkgCache::VerIterator> > VersionUnorderedSet;
+typedef VersionContainer<std::forward_list<pkgCache::VerIterator> > VersionForwardList;
+#endif

 typedef VersionContainer<std::list<pkgCache::VerIterator> > VersionList;
 typedef VersionContainer<std::list<pkgCache::VerIterator> > VersionList;

+typedef VersionContainer<std::deque<pkgCache::VerIterator> > VersionDeque;

 typedef VersionContainer<std::vector<pkgCache::VerIterator> > VersionVector;
 }
 #endif
 typedef VersionContainer<std::vector<pkgCache::VerIterator> > VersionVector;
 }
 #endif