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/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Joaquin M Lopez Munoz 2006-2009
//
// 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
#include <boost/intrusive/detail/config_begin.hpp>
#include <boost/intrusive/detail/mpl.hpp>
namespace boost {
namespace intrusive {
namespace detail {
template<typename T, bool IsEmpty = true>
class ebo_functor_holder_impl
{
public:
ebo_functor_holder_impl()
{}
ebo_functor_holder_impl(const T& t)
: t_(t)
{}
template<class Arg1, class Arg2>
ebo_functor_holder_impl(const Arg1& arg1, const Arg2& arg2)
: t_(arg1, arg2)
{}
T& get(){return t_;}
const T& get()const{return t_;}
private:
T t_;
};
template<typename T>
class ebo_functor_holder_impl<T, false>
: public T
{
public:
ebo_functor_holder_impl()
{}
ebo_functor_holder_impl(const T& t)
: T(t)
{}
template<class Arg1, class Arg2>
ebo_functor_holder_impl(const Arg1& arg1, const Arg2& arg2)
: T(arg1, arg2)
{}
T& get(){return *this;}
const T& get()const{return *this;}
};
template<typename T>
class ebo_functor_holder
: public ebo_functor_holder_impl<T, is_unary_or_binary_function<T>::value>
{
private:
typedef ebo_functor_holder_impl<T, is_unary_or_binary_function<T>::value> super;
public:
ebo_functor_holder(){}
ebo_functor_holder(const T& t)
: super(t)
{}
template<class Arg1, class Arg2>
ebo_functor_holder(const Arg1& arg1, const Arg2& arg2)
: super(arg1, arg2)
{}
ebo_functor_holder& operator=(const ebo_functor_holder& x)
{
this->get()=x.get();
return *this;
}
};
} //namespace detail {
} //namespace intrusive {
} //namespace boost {
#include <boost/intrusive/detail/config_end.hpp>
#endif //#ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
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