1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/boost/mpl/eval_if.hpp Tue Mar 16 16:12:26 2010 +0000
1.3 @@ -0,0 +1,71 @@
1.4 +
1.5 +#ifndef BOOST_MPL_EVAL_IF_HPP_INCLUDED
1.6 +#define BOOST_MPL_EVAL_IF_HPP_INCLUDED
1.7 +
1.8 +// Copyright Aleksey Gurtovoy 2000-2004
1.9 +//
1.10 +// Distributed under the Boost Software License, Version 1.0.
1.11 +// (See accompanying file LICENSE_1_0.txt or copy at
1.12 +// http://www.boost.org/LICENSE_1_0.txt)
1.13 +//
1.14 +// See http://www.boost.org/libs/mpl for documentation.
1.15 +
1.16 +// $Source: /cvsroot/boost/boost/boost/mpl/eval_if.hpp,v $
1.17 +// $Date: 2004/11/28 01:54:10 $
1.18 +// $Revision: 1.3 $
1.19 +
1.20 +#include <boost/mpl/if.hpp>
1.21 +#include <boost/mpl/aux_/na_spec.hpp>
1.22 +#include <boost/mpl/aux_/lambda_support.hpp>
1.23 +#include <boost/mpl/aux_/config/msvc.hpp>
1.24 +#include <boost/mpl/aux_/config/gcc.hpp>
1.25 +#include <boost/mpl/aux_/config/workaround.hpp>
1.26 +
1.27 +namespace boost { namespace mpl {
1.28 +
1.29 +template<
1.30 + typename BOOST_MPL_AUX_NA_PARAM(C)
1.31 + , typename BOOST_MPL_AUX_NA_PARAM(F1)
1.32 + , typename BOOST_MPL_AUX_NA_PARAM(F2)
1.33 + >
1.34 +struct eval_if
1.35 +#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
1.36 + || ( BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, >= 0x0300) \
1.37 + && BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304)) \
1.38 + )
1.39 +{
1.40 + typedef typename if_<C,F1,F2>::type f_;
1.41 + typedef typename f_::type type;
1.42 +#else
1.43 + : if_<C,F1,F2>::type
1.44 +{
1.45 +#endif
1.46 + BOOST_MPL_AUX_LAMBDA_SUPPORT(3,eval_if,(C,F1,F2))
1.47 +};
1.48 +
1.49 +// (almost) copy & paste in order to save one more
1.50 +// recursively nested template instantiation to user
1.51 +template<
1.52 + bool C
1.53 + , typename F1
1.54 + , typename F2
1.55 + >
1.56 +struct eval_if_c
1.57 +#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
1.58 + || ( BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, >= 0x0300) \
1.59 + && BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304)) \
1.60 + )
1.61 +{
1.62 + typedef typename if_c<C,F1,F2>::type f_;
1.63 + typedef typename f_::type type;
1.64 +#else
1.65 + : if_c<C,F1,F2>::type
1.66 +{
1.67 +#endif
1.68 +};
1.69 +
1.70 +BOOST_MPL_AUX_NA_SPEC(3, eval_if)
1.71 +
1.72 +}}
1.73 +
1.74 +#endif // BOOST_MPL_EVAL_IF_HPP_INCLUDED