Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/include/boost/log/utility/functional/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

/*
 *          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   in_range.hpp
 * \author Andrey Semashev
 * \date   30.03.2008
 *
 * This header contains a predicate for checking if the provided value is within a half-open range.
 */

#ifndef BOOST_LOG_UTILITY_FUNCTIONAL_IN_RANGE_HPP_INCLUDED_
#define BOOST_LOG_UTILITY_FUNCTIONAL_IN_RANGE_HPP_INCLUDED_

#include <utility>
#include <boost/log/detail/config.hpp>
#include <boost/log/utility/functional/logical.hpp> // make_common_integral_type
#include <boost/log/detail/header.hpp>

#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif

namespace boost {

BOOST_LOG_OPEN_NAMESPACE

//! The in_range functor
struct in_range_fun
{
    typedef bool result_type;

    template< typename T, typename U >
    bool operator() (T const& value, std::pair< U, U > const& rng) const
    {
        return op(value, rng, typename mpl::and_< is_integral< T >, is_integral< U > >::type());
    }

private:
    template< typename T, typename U >
    static bool op(T const& value, std::pair< U, U > const& rng, mpl::false_ const&)
    {
        return (value >= rng.first && value < rng.second);
    }
    template< typename T, typename U >
    static bool op(T const& value, std::pair< U, U > const& rng, mpl::true_ const&)
    {
        typedef typename aux::make_common_integral_type< T, U >::type common_integral_type;
        return (static_cast< common_integral_type >(value) >= static_cast< common_integral_type >(rng.first))
            && (static_cast< common_integral_type >(value) < static_cast< common_integral_type >(rng.second));
    }
};

BOOST_LOG_CLOSE_NAMESPACE // namespace log

} // namespace boost

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

#endif // BOOST_LOG_UTILITY_FUNCTIONAL_IN_RANGE_HPP_INCLUDED_