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/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Joaquin M Lopez Munoz 2006-2013
// (C) Copyright Ion Gaztanaga 2014-2014
//
// 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/intrusive for documentation.
//
/////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
#define BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/intrusive/detail/workaround.hpp>
#include <boost/move/utility_core.hpp>
namespace boost {
namespace intrusive {
namespace detail {
#if defined(BOOST_MSVC) || defined(__BORLANDC_)
#define BOOST_INTRUSIVE_TT_DECL __cdecl
#else
#define BOOST_INTRUSIVE_TT_DECL
#endif
#if defined(_MSC_EXTENSIONS) && !defined(__BORLAND__) && !defined(_WIN64) && !defined(_M_ARM) && !defined(UNDER_CE)
#define BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
#endif
template <typename T>
struct is_unary_or_binary_function_impl
{ static const bool value = false; };
// see boost ticket #4094
// avoid duplicate definitions of is_unary_or_binary_function_impl
#ifndef BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
template <typename R>
struct is_unary_or_binary_function_impl<R (*)()>
{ static const bool value = true; };
template <typename R>
struct is_unary_or_binary_function_impl<R (*)(...)>
{ static const bool value = true; };
#else // BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
template <typename R>
struct is_unary_or_binary_function_impl<R (__stdcall*)()>
{ static const bool value = true; };
#ifndef _MANAGED
template <typename R>
struct is_unary_or_binary_function_impl<R (__fastcall*)()>
{ static const bool value = true; };
#endif
template <typename R>
struct is_unary_or_binary_function_impl<R (__cdecl*)()>
{ static const bool value = true; };
template <typename R>
struct is_unary_or_binary_function_impl<R (__cdecl*)(...)>
{ static const bool value = true; };
#endif
// see boost ticket #4094
// avoid duplicate definitions of is_unary_or_binary_function_impl
#ifndef BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
template <typename R, class T0>
struct is_unary_or_binary_function_impl<R (*)(T0)>
{ static const bool value = true; };
template <typename R, class T0>
struct is_unary_or_binary_function_impl<R (*)(T0...)>
{ static const bool value = true; };
#else // BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
template <typename R, class T0>
struct is_unary_or_binary_function_impl<R (__stdcall*)(T0)>
{ static const bool value = true; };
#ifndef _MANAGED
template <typename R, class T0>
struct is_unary_or_binary_function_impl<R (__fastcall*)(T0)>
{ static const bool value = true; };
#endif
template <typename R, class T0>
struct is_unary_or_binary_function_impl<R (__cdecl*)(T0)>
{ static const bool value = true; };
template <typename R, class T0>
struct is_unary_or_binary_function_impl<R (__cdecl*)(T0...)>
{ static const bool value = true; };
#endif
// see boost ticket #4094
// avoid duplicate definitions of is_unary_or_binary_function_impl
#ifndef BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
template <typename R, class T0, class T1>
struct is_unary_or_binary_function_impl<R (*)(T0, T1)>
{ static const bool value = true; };
template <typename R, class T0, class T1>
struct is_unary_or_binary_function_impl<R (*)(T0, T1...)>
{ static const bool value = true; };
#else // BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS
template <typename R, class T0, class T1>
struct is_unary_or_binary_function_impl<R (__stdcall*)(T0, T1)>
{ static const bool value = true; };
#ifndef _MANAGED
template <typename R, class T0, class T1>
struct is_unary_or_binary_function_impl<R (__fastcall*)(T0, T1)>
{ static const bool value = true; };
#endif
template <typename R, class T0, class T1>
struct is_unary_or_binary_function_impl<R (__cdecl*)(T0, T1)>
{ static const bool value = true; };
template <typename R, class T0, class T1>
struct is_unary_or_binary_function_impl<R (__cdecl*)(T0, T1...)>
{ static const bool value = true; };
#endif
template <typename T>
struct is_unary_or_binary_function_impl<T&>
{ static const bool value = false; };
template<typename T>
struct is_unary_or_binary_function : is_unary_or_binary_function_impl<T>
{};
template<typename T, bool = is_unary_or_binary_function<T>::value>
class ebo_functor_holder
{
BOOST_COPYABLE_AND_MOVABLE(ebo_functor_holder)
public:
typedef T functor_type;
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder()
: t_()
{}
BOOST_INTRUSIVE_FORCEINLINE explicit ebo_functor_holder(const T &t)
: t_(t)
{}
BOOST_INTRUSIVE_FORCEINLINE explicit ebo_functor_holder(BOOST_RV_REF(T) t)
: t_(::boost::move(t))
{}
template<class Arg1, class Arg2>
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(BOOST_FWD_REF(Arg1) arg1, BOOST_FWD_REF(Arg2) arg2)
: t_(::boost::forward<Arg1>(arg1), ::boost::forward<Arg2>(arg2))
{}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(const ebo_functor_holder &x)
: t_(x.t_)
{}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(BOOST_RV_REF(ebo_functor_holder) x)
: t_(x.t_)
{}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_COPY_ASSIGN_REF(ebo_functor_holder) x)
{
this->get() = x.get();
return *this;
}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_RV_REF(ebo_functor_holder) x)
{
this->get() = ::boost::move(x.get());
return *this;
}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(const T &x)
{
this->get() = x;
return *this;
}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_RV_REF(T) x)
{
this->get() = ::boost::move(x);
return *this;
}
BOOST_INTRUSIVE_FORCEINLINE T& get(){return t_;}
BOOST_INTRUSIVE_FORCEINLINE const T& get()const{return t_;}
private:
T t_;
};
template<typename T>
class ebo_functor_holder<T, false>
: public T
{
BOOST_COPYABLE_AND_MOVABLE(ebo_functor_holder)
public:
typedef T functor_type;
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder()
: T()
{}
BOOST_INTRUSIVE_FORCEINLINE explicit ebo_functor_holder(const T &t)
: T(t)
{}
BOOST_INTRUSIVE_FORCEINLINE explicit ebo_functor_holder(BOOST_RV_REF(T) t)
: T(::boost::move(t))
{}
template<class Arg1, class Arg2>
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(BOOST_FWD_REF(Arg1) arg1, BOOST_FWD_REF(Arg2) arg2)
: T(::boost::forward<Arg1>(arg1), ::boost::forward<Arg2>(arg2))
{}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(const ebo_functor_holder &x)
: T(static_cast<const T&>(x))
{}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(BOOST_RV_REF(ebo_functor_holder) x)
: T(BOOST_MOVE_BASE(T, x))
{}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_COPY_ASSIGN_REF(ebo_functor_holder) x)
{
const ebo_functor_holder&r = x;
this->get() = r;
return *this;
}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_RV_REF(ebo_functor_holder) x)
{
this->get() = ::boost::move(x.get());
return *this;
}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(const T &x)
{
this->get() = x;
return *this;
}
BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_RV_REF(T) x)
{
this->get() = ::boost::move(x);
return *this;
}
BOOST_INTRUSIVE_FORCEINLINE T& get(){return *this;}
BOOST_INTRUSIVE_FORCEINLINE const T& get()const{return *this;}
};
} //namespace detail {
} //namespace intrusive {
} //namespace boost {
#endif //#ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
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