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/usr/include/boost/log/detail

Name	Size	Mode	Actions
adaptive_mutex.hpp	6332	0644	edit dl rm
allocator_traits.hpp	2503	0644	edit dl rm
asio_fwd.hpp	1103	0644	edit dl rm
attachable_sstream_buf.hpp	11312	0644	edit dl rm
attribute_get_value_impl.hpp	1166	0644	edit dl rm
attribute_predicate.hpp	3291	0644	edit dl rm
attr_output_impl.hpp	3862	0644	edit dl rm
attr_output_terminal.hpp	5077	0644	edit dl rm
cleanup_scope_guard.hpp	1351	0644	edit dl rm
code_conversion.hpp	10896	0644	edit dl rm
config.hpp	15250	0644	edit dl rm
copy_cv.hpp	1403	0644	edit dl rm
custom_terminal_spec.hpp	2020	0644	edit dl rm
c_str.hpp	1438	0644	edit dl rm
date_time_fmt_gen_traits_fwd.hpp	1113	0644	edit dl rm
date_time_format_parser.hpp	18737	0644	edit dl rm
decomposed_time.hpp	13499	0644	edit dl rm
deduce_char_type.hpp	2097	0644	edit dl rm
default_attribute_names.hpp	1428	0644	edit dl rm
embedded_string_type.hpp	3002	0644	edit dl rm
enqueued_record.hpp	2908	0644	edit dl rm
event.hpp	4292	0644	edit dl rm
fake_mutex.hpp	1516	0644	edit dl rm
footer.hpp	596	0644	edit dl rm
format.hpp	10809	0644	edit dl rm
function_traits.hpp	7126	0644	edit dl rm
generate_overloads.hpp	892	0644	edit dl rm
header.hpp	2493	0644	edit dl rm
id.hpp	2069	0644	edit dl rm
is_character_type.hpp	1550	0644	edit dl rm
is_ostream.hpp	1565	0644	edit dl rm
light_function.hpp	14681	0644	edit dl rm
light_function_pp.hpp	12258	0644	edit dl rm
light_rw_mutex.hpp	3854	0644	edit dl rm
locking_ptr.hpp	3885	0644	edit dl rm
locks.hpp	5260	0644	edit dl rm
named_scope_fmt_pp.hpp	3865	0644	edit dl rm
native_typeof.hpp	1471	0644	edit dl rm
parameter_tools.hpp	6045	0644	edit dl rm
pause.hpp	1528	0644	edit dl rm
pp_identity.hpp	768	0644	edit dl rm
process_id.hpp	1472	0644	edit dl rm
setup_config.hpp	1789	0644	edit dl rm
sfinae_tools.hpp	1120	0644	edit dl rm
singleton.hpp	2242	0644	edit dl rm
sink_init_helpers.hpp	5085	0644	edit dl rm
snprintf.hpp	2716	0644	edit dl rm
tagged_integer.hpp	4492	0644	edit dl rm
threadsafe_queue.hpp	8550	0644	edit dl rm
thread_id.hpp	1566	0644	edit dl rm
thread_specific.hpp	2895	0644	edit dl rm
timestamp.hpp	2327	0644	edit dl rm
trivial_keyword.hpp	1083	0644	edit dl rm
unary_function_terminal.hpp	4355	0644	edit dl rm
value_ref_visitation.hpp	3646	0644	edit dl rm

Edit: /usr/include/boost/log/detail/light_function.hpp (14681B)

/*
 *          Copyright Andrey Semashev 2007 - 2015.
 * 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)
 */
/*!
 * \file   light_function.hpp
 * \author Andrey Semashev
 * \date   20.06.2010
 *
 * \brief  This header is the Boost.Log library impl, see the library documentation
 *         at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
 *
 * The file contains a lightweight alternative of Boost.Function. It does not provide all
 * features of Boost.Function but doesn't introduce dependency on Boost.Bind.
 */

#ifndef BOOST_LOG_DETAIL_LIGHT_FUNCTION_HPP_INCLUDED_
#define BOOST_LOG_DETAIL_LIGHT_FUNCTION_HPP_INCLUDED_

#include <cstddef>
#include <boost/move/core.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/core/explicit_operator_bool.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/type_traits/remove_cv.hpp>
#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#include <boost/preprocessor/iteration/iterate.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp>
#endif
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
#include <boost/log/detail/sfinae_tools.hpp>
#else
#include <boost/type_traits/remove_reference.hpp>
#endif
#if defined(BOOST_NO_CXX11_NULLPTR)
#include <boost/assert.hpp>
#endif
#include <boost/log/detail/header.hpp>

#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif

#ifndef BOOST_LOG_LIGHT_FUNCTION_LIMIT
#define BOOST_LOG_LIGHT_FUNCTION_LIMIT 2
#endif

namespace boost {

BOOST_LOG_OPEN_NAMESPACE

namespace aux {

#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)

template< typename T, typename ThisT >
struct is_cv_same { enum _ { value = false }; };
template< typename T >
struct is_cv_same< T, T > { enum _ { value = true }; };
template< typename T >
struct is_cv_same< T, const T > { enum _ { value = true }; };
template< typename T >
struct is_cv_same< T, volatile T > { enum _ { value = true }; };
template< typename T >
struct is_cv_same< T, const volatile T > { enum _ { value = true }; };

template< typename T, typename ThisT >
struct is_rv_or_same { enum _ { value = false }; };
template< typename T >
struct is_rv_or_same< T, T > { enum _ { value = true }; };
template< typename T, typename ThisT >
struct is_rv_or_same< boost::rv< T >, ThisT > { enum _ { value = true }; };

#endif

template< typename SignatureT >
class light_function;

#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)

template< typename ResultT, typename... ArgsT >
class light_function< ResultT (ArgsT...) >
{
    typedef light_function this_type;
    BOOST_COPYABLE_AND_MOVABLE(this_type)

public:
    typedef ResultT result_type;

private:
    struct impl_base
    {
        typedef result_type (*invoke_type)(void*, ArgsT...);
        const invoke_type invoke;

typedef impl_base* (*clone_type)(const void*);
        const clone_type clone;

typedef void (*destroy_type)(void*);
        const destroy_type destroy;

impl_base(invoke_type inv, clone_type cl, destroy_type dstr) : invoke(inv), clone(cl), destroy(dstr)
        {
        }

BOOST_DELETED_FUNCTION(impl_base(impl_base const&))
        BOOST_DELETED_FUNCTION(impl_base& operator= (impl_base const&))
    };

#if !defined(BOOST_LOG_NO_MEMBER_TEMPLATE_FRIENDS)
    template< typename FunT >
    class impl;
    template< typename FunT >
    friend class impl;
#endif

template< typename FunT >
    class impl :
        public impl_base
    {
        typedef impl< FunT > this_type;

FunT m_Function;

public:
        explicit impl(FunT const& fun) :
            impl_base(&this_type::invoke_impl, &this_type::clone_impl, &this_type::destroy_impl),
            m_Function(fun)
        {
        }

#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
        explicit impl(FunT&& fun) :
            impl_base(&this_type::invoke_impl, &this_type::clone_impl, &this_type::destroy_impl),
            m_Function(boost::move(fun))
        {
        }
#endif // !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)

static void destroy_impl(void* self)
        {
            delete static_cast< impl* >(static_cast< impl_base* >(self));
        }
        static impl_base* clone_impl(const void* self)
        {
            return new impl(static_cast< const impl* >(static_cast< const impl_base* >(self))->m_Function);
        }
        static result_type invoke_impl(void* self, ArgsT... args)
        {
            return static_cast< impl* >(static_cast< impl_base* >(self))->m_Function(args...);
        }

BOOST_DELETED_FUNCTION(impl(impl const&))
        BOOST_DELETED_FUNCTION(impl& operator= (impl const&))
    };

private:
    impl_base* m_pImpl;

light_function(BOOST_RV_REF(this_type) that) BOOST_NOEXCEPT
    {
        m_pImpl = that.m_pImpl;
        that.m_pImpl = NULL;
    }

light_function(BOOST_RV_REF(const this_type) that) BOOST_NOEXCEPT
    {
        m_pImpl = that.m_pImpl;
        ((this_type&)that).m_pImpl = NULL;
    }

#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
    template< typename FunT >
    light_function(FunT&& fun) :
        m_pImpl(new impl< typename remove_cv< typename remove_reference< FunT >::type >::type >(boost::forward< FunT >(fun)))
    {
    }
#else
    template< typename FunT >
    light_function(FunT const& fun, typename boost::disable_if_c< is_rv_or_same< FunT, this_type >::value, boost::log::aux::sfinae_dummy >::type = boost::log::aux::sfinae_dummy()) :
        m_pImpl(new impl< FunT >(fun))
    {
    }
    template< typename FunT >
    light_function(BOOST_RV_REF(FunT) fun, typename boost::disable_if_c< is_cv_same< FunT, this_type >::value, boost::log::aux::sfinae_dummy >::type = boost::log::aux::sfinae_dummy()) :
        m_pImpl(new impl< typename remove_cv< FunT >::type >(fun))
    {
    }
#endif

//! Constructor from NULL
#if !defined(BOOST_NO_CXX11_NULLPTR)
    BOOST_CONSTEXPR light_function(std::nullptr_t) BOOST_NOEXCEPT
#else
    BOOST_CONSTEXPR light_function(int p) BOOST_NOEXCEPT
#endif
        : m_pImpl(NULL)
    {
#if defined(BOOST_NO_CXX11_NULLPTR)
        BOOST_ASSERT(p == 0);
#endif
    }
    ~light_function()
    {
        clear();
    }

light_function& operator= (BOOST_RV_REF(this_type) that) BOOST_NOEXCEPT
    {
        this->swap(that);
        return *this;
    }
    light_function& operator= (BOOST_COPY_ASSIGN_REF(this_type) that)
    {
        light_function tmp = static_cast< this_type const& >(that);
        this->swap(tmp);
        return *this;
    }
    //! Assignment of NULL
#if !defined(BOOST_NO_CXX11_NULLPTR)
    light_function& operator= (std::nullptr_t)
#else
    light_function& operator= (int p)
#endif
    {
#if defined(BOOST_NO_CXX11_NULLPTR)
        BOOST_ASSERT(p == 0);
#endif
        clear();
        return *this;
    }
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
    template< typename FunT >
    light_function& operator= (FunT&& fun)
    {
        light_function tmp(boost::forward< FunT >(fun));
        this->swap(tmp);
        return *this;
    }
#else
    template< typename FunT >
    typename boost::disable_if_c< is_rv_or_same< FunT, this_type >::value, this_type& >::type
    operator= (FunT const& fun)
    {
        light_function tmp(fun);
        this->swap(tmp);
        return *this;
    }
#endif

result_type operator() (ArgsT... args) const
    {
        return m_pImpl->invoke(m_pImpl, args...);
    }

BOOST_EXPLICIT_OPERATOR_BOOL_NOEXCEPT()
    bool operator! () const BOOST_NOEXCEPT { return (m_pImpl == NULL); }
    bool empty() const BOOST_NOEXCEPT { return (m_pImpl == NULL); }
    void clear() BOOST_NOEXCEPT
    {
        if (m_pImpl)
        {
            m_pImpl->destroy(m_pImpl);
            m_pImpl = NULL;
        }
    }

void swap(this_type& that) BOOST_NOEXCEPT
    {
        impl_base* p = m_pImpl;
        m_pImpl = that.m_pImpl;
        that.m_pImpl = p;
    }
};

template< typename... ArgsT >
class light_function< void (ArgsT...) >
{
    typedef light_function this_type;
    BOOST_COPYABLE_AND_MOVABLE(this_type)

public:
    typedef void result_type;

private:
    struct impl_base
    {
        typedef void (*invoke_type)(void*, ArgsT...);
        const invoke_type invoke;

typedef impl_base* (*clone_type)(const void*);
        const clone_type clone;

typedef void (*destroy_type)(void*);
        const destroy_type destroy;

impl_base(invoke_type inv, clone_type cl, destroy_type dstr) : invoke(inv), clone(cl), destroy(dstr)
        {
        }

BOOST_DELETED_FUNCTION(impl_base(impl_base const&))
        BOOST_DELETED_FUNCTION(impl_base& operator= (impl_base const&))
    };

#if !defined(BOOST_LOG_NO_MEMBER_TEMPLATE_FRIENDS)
    template< typename FunT >
    class impl;
    template< typename FunT >
    friend class impl;
#endif

template< typename FunT >
    class impl :
        public impl_base
    {
        typedef impl< FunT > this_type;

FunT m_Function;

public:
        explicit impl(FunT const& fun) :
            impl_base(&this_type::invoke_impl, &this_type::clone_impl, &this_type::destroy_impl),
            m_Function(fun)
        {
        }

static void destroy_impl(void* self)
        {
            delete static_cast< impl* >(static_cast< impl_base* >(self));
        }
        static impl_base* clone_impl(const void* self)
        {
            return new impl(static_cast< const impl* >(static_cast< const impl_base* >(self))->m_Function);
        }
        static result_type invoke_impl(void* self, ArgsT... args)
        {
            static_cast< impl* >(static_cast< impl_base* >(self))->m_Function(args...);
        }

BOOST_DELETED_FUNCTION(impl(impl const&))
        BOOST_DELETED_FUNCTION(impl& operator= (impl const&))
    };

private:
    impl_base* m_pImpl;

public:
    BOOST_CONSTEXPR light_function() BOOST_NOEXCEPT : m_pImpl(NULL)
    {
    }
    light_function(this_type const& that)
    {
        if (that.m_pImpl)
            m_pImpl = that.m_pImpl->clone(that.m_pImpl);
        else
            m_pImpl = NULL;
    }
    light_function(BOOST_RV_REF(this_type) that) BOOST_NOEXCEPT
    {
        m_pImpl = that.m_pImpl;
        that.m_pImpl = NULL;
    }

light_function(BOOST_RV_REF(const this_type) that) BOOST_NOEXCEPT
    {
        m_pImpl = that.m_pImpl;
        ((this_type&)that).m_pImpl = NULL;
    }

result_type operator() (ArgsT... args) const
    {
        m_pImpl->invoke(m_pImpl, args...);
    }

void swap(this_type& that) BOOST_NOEXCEPT
    {
        impl_base* p = m_pImpl;
        m_pImpl = that.m_pImpl;
        that.m_pImpl = p;
    }
};

#else // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)

#define BOOST_PP_FILENAME_1 <boost/log/detail/light_function_pp.hpp>
#define BOOST_PP_ITERATION_LIMITS (0, BOOST_LOG_LIGHT_FUNCTION_LIMIT)
#include BOOST_PP_ITERATE()

#endif // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)

template< typename SignatureT >
inline void swap(light_function< SignatureT >& left, light_function< SignatureT >& right)
{
    left.swap(right);
}

} // namespace aux

BOOST_LOG_CLOSE_NAMESPACE // namespace log

} // namespace boost

#include <boost/log/detail/footer.hpp>

#endif // BOOST_LOG_DETAIL_LIGHT_FUNCTION_HPP_INCLUDED_

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