Exemplo n.º 1
0
namespace container {

#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED

   template <int Dummy = 0>
   struct std_allocator_arg_holder
   {
      static ::std::allocator_arg_t *dummy;
   };

   template <int Dummy>                                             //Silence null-reference compiler warnings
   ::std::allocator_arg_t *std_allocator_arg_holder<Dummy>::dummy = reinterpret_cast< ::std::allocator_arg_t * >(0x1234);

typedef const std::allocator_arg_t & allocator_arg_t;

#else

//! The allocator_arg_t struct is an empty structure type used as a unique type to
//! disambiguate constructor and function overloading. Specifically, several types
//! have constructors with allocator_arg_t as the first argument, immediately followed
//! by an argument of a type that satisfies Allocator requirements
typedef unspecified allocator_arg_t;

#endif   //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED

//! The `erased_type` struct is an empty struct that serves as a placeholder for a type
//! T in situations where the actual type T is determined at runtime. For example,
//! the nested type, `allocator_type`, is an alias for `erased_type` in classes that
//! use type-erased allocators.
struct erased_type {};

//! A instance of type
//! allocator_arg_t
static allocator_arg_t allocator_arg = BOOST_CONTAINER_DOC1ST(unspecified, *std_allocator_arg_holder<>::dummy);

// @cond

template <class T>
struct constructible_with_allocator_suffix;

template <class T>
struct constructible_with_allocator_prefix;

template <typename T, typename Allocator>
struct uses_allocator;

// @endcond

}} // namespace boost { namespace container {
Exemplo n.º 2
0
typedef const std::piecewise_construct_t & piecewise_construct_t;

struct try_emplace_t{};

#else

//! The piecewise_construct_t struct is an empty structure type used as a unique type to
//! disambiguate used to disambiguate between different functions that take two tuple arguments.
typedef unspecified piecewise_construct_t;

#endif   //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED

//! A instance of type
//! piecewise_construct_t
static piecewise_construct_t piecewise_construct = BOOST_CONTAINER_DOC1ST(unspecified, *std_piecewise_construct_holder<>::dummy);

namespace container_detail {

template <class T1, class T2>
struct pair;

template <class T>
struct is_pair
{
   static const bool value = false;
};

template <class T1, class T2>
struct is_pair< pair<T1, T2> >
{
Exemplo n.º 3
0
namespace boost { namespace container {

#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED

#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)

   #if !defined(BOOST_CONTAINER_UNIMPLEMENTED_PACK_EXPANSION_TO_FIXED_LIST)

      template <typename OuterAlloc, typename ...InnerAllocs>
      class scoped_allocator_adaptor;

   #else // #if !defined(BOOST_CONTAINER_UNIMPLEMENTED_PACK_EXPANSION_TO_FIXED_LIST)

      template <typename ...InnerAllocs>
      class scoped_allocator_adaptor;

      template <typename OuterAlloc, typename ...InnerAllocs>
      class scoped_allocator_adaptor<OuterAlloc, InnerAllocs...>;

   #endif   // #if !defined(BOOST_CONTAINER_UNIMPLEMENTED_PACK_EXPANSION_TO_FIXED_LIST)

#else    // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)

   template <typename OuterAlloc, BOOST_MOVE_CLASSDFLT9>
   class scoped_allocator_adaptor;

#endif

   template <int Dummy = 0>
   struct std_allocator_arg_holder
   {
      static ::std::allocator_arg_t *dummy;
   };

   template <int Dummy>
   ::std::allocator_arg_t *std_allocator_arg_holder<Dummy>::dummy;

#else    //BOOST_CONTAINER_DOXYGEN_INVOKED

#endif   //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED

//! The allocator_arg_t struct is an empty structure type used as a unique type to
//! disambiguate constructor and function overloading. Specifically, several types
//! have constructors with allocator_arg_t as the first argument, immediately followed
//! by an argument of a type that satisfies Allocator requirements
typedef const std::allocator_arg_t & allocator_arg_t;

//! A instance of type allocator_arg_t
//!
static allocator_arg_t allocator_arg = BOOST_CONTAINER_DOC1ST(unspecified, *std_allocator_arg_holder<>::dummy);

template <class T>
struct constructible_with_allocator_suffix;

template <class T>
struct constructible_with_allocator_prefix;

template <typename T, typename Allocator>
struct uses_allocator;

}} // namespace boost { namespace container {