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/usr/include/boost/proto/detail

Name	Size	Mode	Actions
preprocessed/	-	0755	rm
and_n.hpp	3670	0644	edit dl rm
any.hpp	3125	0644	edit dl rm
args.hpp	3089	0644	edit dl rm
as_expr.hpp	6370	0644	edit dl rm
as_lvalue.hpp	1037	0644	edit dl rm
basic_expr.hpp	7278	0644	edit dl rm
class_member_traits.hpp	1799	0644	edit dl rm
decltype.hpp	16619	0644	edit dl rm
deduce_domain.hpp	6829	0644	edit dl rm
deduce_domain_n.hpp	2369	0644	edit dl rm
deep_copy.hpp	3063	0644	edit dl rm
deprecated.hpp	15737	0644	edit dl rm
dont_care.hpp	850	0644	edit dl rm
expr.hpp	15973	0644	edit dl rm
expr_funop.hpp	1604	0644	edit dl rm
extends_funop.hpp	1769	0644	edit dl rm
extends_funop_const.hpp	1602	0644	edit dl rm
funop.hpp	3348	0644	edit dl rm
generate_by_value.hpp	2948	0644	edit dl rm
ignore_unused.hpp	907	0644	edit dl rm
is_noncopyable.hpp	1948	0644	edit dl rm
lambda_matches.hpp	2315	0644	edit dl rm
local.hpp	1536	0644	edit dl rm
make_expr.hpp	2330	0644	edit dl rm
make_expr_.hpp	3682	0644	edit dl rm
make_expr_funop.hpp	2109	0644	edit dl rm
matches_.hpp	4107	0644	edit dl rm
memfun_funop.hpp	1571	0644	edit dl rm
or_n.hpp	1943	0644	edit dl rm
poly_function.hpp	6925	0644	edit dl rm
poly_function_funop.hpp	2559	0644	edit dl rm
poly_function_traits.hpp	2818	0644	edit dl rm
remove_typename.hpp	4793	0644	edit dl rm
static_const.hpp	762	0644	edit dl rm
template_arity.hpp	2291	0644	edit dl rm
template_arity_helper.hpp	1601	0644	edit dl rm
traits.hpp	9063	0644	edit dl rm
unpack_expr_.hpp	7932	0644	edit dl rm
vararg_matches_impl.hpp	2214	0644	edit dl rm

Edit: /usr/include/boost/proto/detail/poly_function.hpp (6925B)

///////////////////////////////////////////////////////////////////////////////
/// \file poly_function.hpp
/// A wrapper that makes a tr1-style function object that handles const
/// and non-const refs and reference_wrapper arguments, too, and forwards
/// the arguments on to the specified implementation.
//
//  Copyright 2008 Eric Niebler. 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)

#ifndef BOOST_PROTO_DETAIL_POLY_FUNCTION_EAN_2008_05_02
#define BOOST_PROTO_DETAIL_POLY_FUNCTION_EAN_2008_05_02

#include <boost/ref.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/mpl/void.hpp>
#include <boost/mpl/size_t.hpp>
#include <boost/mpl/eval_if.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/facilities/intercept.hpp>
#include <boost/preprocessor/iteration/iterate.hpp>
#include <boost/preprocessor/repetition/enum.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/proto/proto_fwd.hpp>
#include <boost/proto/detail/is_noncopyable.hpp>

#ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable: 4181) // const applied to reference type
#endif

namespace boost { namespace proto { namespace detail
{

////////////////////////////////////////////////////////////////////////////////////////////////
    template<typename T>
    struct normalize_arg
    {
        typedef typename mpl::if_c<is_noncopyable<T>::value, T &, T>::type type;
        typedef T &reference;
    };

template<typename T>
    struct normalize_arg<T const>
    {
        typedef typename mpl::if_c<is_noncopyable<T>::value, T const &, T>::type type;
        typedef T const &reference;
    };

template<typename T>
    struct normalize_arg<T &>
    {
        typedef typename mpl::if_c<is_noncopyable<T>::value, T &, T>::type type;
        typedef T &reference;
    };

template<typename T>
    struct normalize_arg<T const &>
    {
        typedef typename mpl::if_c<is_noncopyable<T>::value, T const &, T>::type type;
        typedef T const &reference;
    };

template<typename T>
    struct normalize_arg<boost::reference_wrapper<T> >
    {
        typedef T &type;
        typedef T &reference;
    };

template<typename T>
    struct normalize_arg<boost::reference_wrapper<T> const>
    {
        typedef T &type;
        typedef T &reference;
    };

template<typename T>
    struct normalize_arg<boost::reference_wrapper<T> &>
    {
        typedef T &type;
        typedef T &reference;
    };

template<typename T>
    struct normalize_arg<boost::reference_wrapper<T> const &>
    {
        typedef T &type;
        typedef T &reference;
    };

////////////////////////////////////////////////////////////////////////////////////////////////
    template<typename T>
    struct arg
    {
        typedef T const &type;

arg(type t)
          : value(t)
        {}

operator type() const
        {
            return this->value;
        }

type operator()() const
        {
            return this->value;
        }

BOOST_DELETED_FUNCTION(arg &operator =(arg const &))
    private:
        type value;
    };

template<typename T>
    struct arg<T &>
    {
        typedef T &type;

arg(type t)
          : value(t)
        {}

operator type() const
        {
            return this->value;
        }

type operator()() const
        {
            return this->value;
        }

BOOST_DELETED_FUNCTION(arg &operator =(arg const &))
    private:
        type value;
    };

////////////////////////////////////////////////////////////////////////////////////////////////
    template<typename T, typename Void = void>
    struct is_poly_function
      : mpl::false_
    {};

template<typename T>
    struct is_poly_function<T, typename T::is_poly_function_base_>
      : mpl::true_
    {};

////////////////////////////////////////////////////////////////////////////////////////////////
    #define BOOST_PROTO_POLY_FUNCTION()                                                             \
        typedef void is_poly_function_base_;                                                        \
        /**/

////////////////////////////////////////////////////////////////////////////////////////////////
    struct poly_function_base
    {
        /// INTERNAL ONLY
        BOOST_PROTO_POLY_FUNCTION()
    };

////////////////////////////////////////////////////////////////////////////////////////////////
    template<typename Derived, typename NullaryResult = void>
    struct poly_function
      : poly_function_base
    {
        template<typename Sig>
        struct result;

template<typename This>
        struct result<This()>
          : Derived::template impl<>
        {
            typedef typename result::result_type type;
        };

NullaryResult operator()() const
        {
            result<Derived const()> impl;
            return impl();
        }

#include <boost/proto/detail/poly_function_funop.hpp>
    };

template<typename T>
    struct wrap_t;

typedef char poly_function_t;
    typedef char (&mono_function_t)[2];
    typedef char (&unknown_function_t)[3];

template<typename T> poly_function_t test_poly_function(T *, wrap_t<typename T::is_poly_function_base_> * = 0);
    template<typename T> mono_function_t test_poly_function(T *, wrap_t<typename T::result_type> * = 0);
    template<typename T> unknown_function_t test_poly_function(T *, ...);

////////////////////////////////////////////////////////////////////////////////////////////////
    template<typename Fun, typename Sig, typename Switch = mpl::size_t<sizeof(test_poly_function<Fun>(0,0))> >
    struct poly_function_traits
    {
        typedef typename Fun::template result<Sig>::type result_type;
        typedef Fun function_type;
    };

////////////////////////////////////////////////////////////////////////////////////////////////
    template<typename Fun, typename Sig>
    struct poly_function_traits<Fun, Sig, mpl::size_t<sizeof(mono_function_t)> >
    {
        typedef typename Fun::result_type result_type;
        typedef Fun function_type;
    };

////////////////////////////////////////////////////////////////////////////////////////////////
    template<typename PolyFunSig, bool IsPolyFunction>
    struct as_mono_function_impl;

////////////////////////////////////////////////////////////////////////////////////////////////
    template<typename PolyFunSig>
    struct as_mono_function;

#include <boost/proto/detail/poly_function_traits.hpp>

}}} // namespace boost::proto::detail

#ifdef _MSC_VER
# pragma warning(pop)
#endif

#endif

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