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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/mpl/eval_if.hpp
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+
+#ifndef BOOST_MPL_EVAL_IF_HPP_INCLUDED
+#define BOOST_MPL_EVAL_IF_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: eval_if.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
+// $Revision: 49267 $
+
+#include <boost/mpl/if.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+#include <boost/mpl/aux_/config/msvc.hpp>
+#include <boost/mpl/aux_/config/gcc.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+namespace boost { namespace mpl {
+
+template<
+ typename BOOST_MPL_AUX_NA_PARAM(C)
+ , typename BOOST_MPL_AUX_NA_PARAM(F1)
+ , typename BOOST_MPL_AUX_NA_PARAM(F2)
+ >
+struct eval_if
+#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
+ || ( BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, >= 0x0300) \
+ && BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304)) \
+ )
+{
+ typedef typename if_<C,F1,F2>::type f_;
+ typedef typename f_::type type;
+#else
+ : if_<C,F1,F2>::type
+{
+#endif
+ BOOST_MPL_AUX_LAMBDA_SUPPORT(3,eval_if,(C,F1,F2))
+};
+
+// (almost) copy & paste in order to save one more
+// recursively nested template instantiation to user
+template<
+ bool C
+ , typename F1
+ , typename F2
+ >
+struct eval_if_c
+#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
+ || ( BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, >= 0x0300) \
+ && BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304)) \
+ )
+{
+ typedef typename if_c<C,F1,F2>::type f_;
+ typedef typename f_::type type;
+#else
+ : if_c<C,F1,F2>::type
+{
+#endif
+};
+
+BOOST_MPL_AUX_NA_SPEC(3, eval_if)
+
+}}
+
+#endif // BOOST_MPL_EVAL_IF_HPP_INCLUDED