Update to boost 1.66

2025-12-23 15:54:12 +01:00 · 2018-01-01 20:31:13 +00:00 · 2018-01-01 20:31:13 +00:00 · d80e506e17
commit d80e506e17
parent 9ffbf897dc
203 changed files with 14820 additions and 2478 deletions
--- a/boost/move/detail/pointer_element.hpp
+++ b/boost/move/detail/pointer_element.hpp
@ -0,0 +1,168 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2014-2017. 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)
+//
+// See http://www.boost.org/libs/move for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_MOVE_DETAIL_POINTER_ELEMENT_HPP
+#define BOOST_MOVE_DETAIL_POINTER_ELEMENT_HPP
+
+#ifndef BOOST_CONFIG_HPP
+#  include <boost/config.hpp>
+#endif
+
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#  pragma once
+#endif
+
+#ifndef BOOST_MOVE_DETAIL_WORKAROUND_HPP
+#include <boost/move/detail/workaround.hpp>
+#endif   //BOOST_MOVE_DETAIL_WORKAROUND_HPP
+
+namespace boost {
+namespace movelib {
+namespace detail{
+
+//////////////////////
+//struct first_param
+//////////////////////
+
+template <typename T> struct first_param
+{  typedef void type;   };
+
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+
+   template <template <typename, typename...> class TemplateClass, typename T, typename... Args>
+   struct first_param< TemplateClass<T, Args...> >
+   {
+      typedef T type;
+   };
+
+#else //C++03 compilers
+
+   template < template  //0arg
+               <class
+               > class TemplateClass, class T
+            >
+   struct first_param
+      < TemplateClass<T> >
+   {  typedef T type;   };
+
+   template < template  //1arg
+               <class,class
+               > class TemplateClass, class T
+            , class P0>
+   struct first_param
+      < TemplateClass<T, P0> >
+   {  typedef T type;   };
+
+   template < template  //2arg
+               <class,class,class
+               > class TemplateClass, class T
+            , class P0, class P1>
+   struct first_param
+      < TemplateClass<T, P0, P1> >
+   {  typedef T type;   };
+
+   template < template  //3arg
+               <class,class,class,class
+               > class TemplateClass, class T
+            , class P0, class P1, class P2>
+   struct first_param
+      < TemplateClass<T, P0, P1, P2> >
+   {  typedef T type;   };
+
+   template < template  //4arg
+               <class,class,class,class,class
+               > class TemplateClass, class T
+            , class P0, class P1, class P2, class P3>
+   struct first_param
+      < TemplateClass<T, P0, P1, P2, P3> >
+   {  typedef T type;   };
+
+   template < template  //5arg
+               <class,class,class,class,class,class
+               > class TemplateClass, class T
+            , class P0, class P1, class P2, class P3, class P4>
+   struct first_param
+      < TemplateClass<T, P0, P1, P2, P3, P4> >
+   {  typedef T type;   };
+
+   template < template  //6arg
+               <class,class,class,class,class,class,class
+               > class TemplateClass, class T
+            , class P0, class P1, class P2, class P3, class P4, class P5>
+   struct first_param
+      < TemplateClass<T, P0, P1, P2, P3, P4, P5> >
+   {  typedef T type;   };
+
+   template < template  //7arg
+               <class,class,class,class,class,class,class,class
+               > class TemplateClass, class T
+            , class P0, class P1, class P2, class P3, class P4, class P5, class P6>
+   struct first_param
+      < TemplateClass<T, P0, P1, P2, P3, P4, P5, P6> >
+   {  typedef T type;   };
+
+   template < template  //8arg
+               <class,class,class,class,class,class,class,class,class
+               > class TemplateClass, class T
+            , class P0, class P1, class P2, class P3, class P4, class P5, class P6, class P7>
+   struct first_param
+      < TemplateClass<T, P0, P1, P2, P3, P4, P5, P6, P7> >
+   {  typedef T type;   };
+
+   template < template  //9arg
+               <class,class,class,class,class,class,class,class,class,class
+               > class TemplateClass, class T
+            , class P0, class P1, class P2, class P3, class P4, class P5, class P6, class P7, class P8>
+   struct first_param
+      < TemplateClass<T, P0, P1, P2, P3, P4, P5, P6, P7, P8> >
+   {  typedef T type;   };
+
+#endif   //!defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
+
+template <typename T>
+struct has_internal_pointer_element
+{
+   template <typename X>
+   static char test(int, typename X::element_type*);
+
+   template <typename X>
+   static int test(...);
+
+   static const bool value = (1 == sizeof(test<T>(0, 0)));
+};
+
+template<class Ptr, bool = has_internal_pointer_element<Ptr>::value>
+struct pointer_element_impl
+{
+   typedef typename Ptr::element_type type;
+};
+
+template<class Ptr>
+struct pointer_element_impl<Ptr, false>
+{
+   typedef typename boost::movelib::detail::first_param<Ptr>::type type;
+};
+
+}  //namespace detail{
+
+template <typename Ptr>
+struct pointer_element
+{
+   typedef typename ::boost::movelib::detail::pointer_element_impl<Ptr>::type type;
+};
+
+template <typename T>
+struct pointer_element<T*>
+{  typedef T type; };
+
+}  //namespace movelib {
+}  //namespace boost {
+
+#endif // defined(BOOST_MOVE_DETAIL_POINTER_ELEMENT_HPP)