static_cast.hpp

来自「boost库提供标准的C++ API 配合dev c++使用,功能更加强大」· HPP 代码 · 共 32 行

#ifndef BOOST_MPL_AUX_STATIC_CAST_HPP_INCLUDED
#define BOOST_MPL_AUX_STATIC_CAST_HPP_INCLUDED

// + file: boost/mpl/aux_/static_cast.hpp
// + last modified: 02/may/03

// Copyright (c) 2001-03
// Aleksey Gurtovoy
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee, 
// provided that the above copyright notice appears in all copies and 
// that both the copyright notice and this permission notice appear in 
// supporting documentation. No representations are made about the 
// suitability of this software for any purpose. It is provided "as is" 
// without express or implied warranty.
//
// See http://www.boost.org/libs/mpl for documentation.

#include "boost/mpl/aux_/config/workaround.hpp"

#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x561)) \
 || BOOST_WORKAROUND(__GNUC__, < 3) \
 || BOOST_WORKAROUND(__MWERKS__, <= 0x3001)
#   define BOOST_MPL_AUX_STATIC_CAST(T, expr) (T)(expr)
#else
#   define BOOST_MPL_AUX_STATIC_CAST(T, expr) static_cast<T>(expr)
#endif

#endif // BOOST_MPL_AUX_STATIC_CAST_HPP_INCLUDED