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/concept/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

// Copyright David Abrahams 2006. 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_CONCEPT_USAGE_DWA2006919_HPP
# define BOOST_CONCEPT_USAGE_DWA2006919_HPP

# include <boost/concept/assert.hpp>
# include <boost/config/workaround.hpp>
# include <boost/concept/detail/backward_compatibility.hpp>

namespace boost { namespace concepts { 

template <class Model>
struct usage_requirements
{
    ~usage_requirements() { ((Model*)0)->~Model(); }
};

#  if BOOST_WORKAROUND(__GNUC__, <= 3)

#   define BOOST_CONCEPT_USAGE(model)                                    \
      model(); /* at least 2.96 and 3.4.3 both need this :( */           \
      BOOST_CONCEPT_ASSERT((boost::concepts::usage_requirements<model>)); \
      ~model()

#  else

#   define BOOST_CONCEPT_USAGE(model)                                    \
      BOOST_CONCEPT_ASSERT((boost::concepts::usage_requirements<model>)); \
      ~model()

#  endif

}} // namespace boost::concepts

#endif // BOOST_CONCEPT_USAGE_DWA2006919_HPP