96 lines
2.2 KiB
C++
96 lines
2.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Joaquin M Lopez Munoz 2006-2012
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/intrusive for documentation.
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
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#define BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
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#include <boost/intrusive/detail/config_begin.hpp>
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#include <boost/intrusive/detail/mpl.hpp>
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namespace boost {
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namespace intrusive {
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namespace detail {
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template<typename T, bool IsEmpty = true>
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class ebo_functor_holder_impl
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{
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public:
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ebo_functor_holder_impl()
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{}
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ebo_functor_holder_impl(const T& t)
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: t_(t)
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{}
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template<class Arg1, class Arg2>
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ebo_functor_holder_impl(const Arg1& arg1, const Arg2& arg2)
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: t_(arg1, arg2)
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{}
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T& get(){return t_;}
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const T& get()const{return t_;}
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private:
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T t_;
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};
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template<typename T>
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class ebo_functor_holder_impl<T, false>
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: public T
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{
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public:
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ebo_functor_holder_impl()
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{}
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ebo_functor_holder_impl(const T& t)
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: T(t)
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{}
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template<class Arg1, class Arg2>
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ebo_functor_holder_impl(const Arg1& arg1, const Arg2& arg2)
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: T(arg1, arg2)
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{}
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T& get(){return *this;}
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const T& get()const{return *this;}
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};
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template<typename T>
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class ebo_functor_holder
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: public ebo_functor_holder_impl<T, is_unary_or_binary_function<T>::value>
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{
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private:
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typedef ebo_functor_holder_impl<T, is_unary_or_binary_function<T>::value> super;
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public:
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ebo_functor_holder(){}
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ebo_functor_holder(const T& t)
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: super(t)
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{}
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template<class Arg1, class Arg2>
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ebo_functor_holder(const Arg1& arg1, const Arg2& arg2)
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: super(arg1, arg2)
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{}
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ebo_functor_holder& operator=(const ebo_functor_holder& x)
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{
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this->get()=x.get();
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return *this;
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}
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};
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} //namespace detail {
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} //namespace intrusive {
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} //namespace boost {
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#include <boost/intrusive/detail/config_end.hpp>
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#endif //#ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP
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