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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\mpl\if.hpp
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#ifndef BOOST_MPL_IF_HPP_INCLUDED #define BOOST_MPL_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. // $Source$ // $Date: 2004-09-07 04:53:22 -0400 (Tue, 07 Sep 2004) $ // $Revision: 24947 $ #include
#include
#include
#include
#include
#include
#include
namespace boost { namespace mpl { #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) template< bool C , typename T1 , typename T2 > struct if_c { typedef T1 type; }; template< typename T1 , typename T2 > struct if_c
{ typedef T2 type; }; // agurt, 05/sep/04: nondescriptive parameter names for the sake of DigitalMars // (and possibly MWCW < 8.0); see http://article.gmane.org/gmane.comp.lib.boost.devel/108959 template< typename BOOST_MPL_AUX_NA_PARAM(T1) , typename BOOST_MPL_AUX_NA_PARAM(T2) , typename BOOST_MPL_AUX_NA_PARAM(T3) > struct if_ { private: // agurt, 02/jan/03: two-step 'type' definition for the sake of aCC typedef if_c< #if defined(BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS) BOOST_MPL_AUX_VALUE_WKND(T1)::value #else BOOST_MPL_AUX_STATIC_CAST(bool, BOOST_MPL_AUX_VALUE_WKND(T1)::value) #endif , T2 , T3 > almost_type_; public: typedef typename almost_type_::type type; BOOST_MPL_AUX_LAMBDA_SUPPORT(3,if_,(T1,T2,T3)) }; #else // no partial class template specialization namespace aux { template< bool C > struct if_impl { template< typename T1, typename T2 > struct result_ { typedef T1 type; }; }; template<> struct if_impl
{ template< typename T1, typename T2 > struct result_ { typedef T2 type; }; }; } // namespace aux template< bool C_ , typename T1 , typename T2 > struct if_c { typedef typename aux::if_impl< C_ > ::template result_
::type type; }; // (almost) copy & paste in order to save one more // recursively nested template instantiation to user template< typename BOOST_MPL_AUX_NA_PARAM(C_) , typename BOOST_MPL_AUX_NA_PARAM(T1) , typename BOOST_MPL_AUX_NA_PARAM(T2) > struct if_ { enum { msvc_wknd_ = BOOST_MPL_AUX_MSVC_VALUE_WKND(C_)::value }; typedef typename aux::if_impl< BOOST_MPL_AUX_STATIC_CAST(bool, msvc_wknd_) > ::template result_
::type type; BOOST_MPL_AUX_LAMBDA_SUPPORT(3,if_,(C_,T1,T2)) }; #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION BOOST_MPL_AUX_NA_SPEC(3, if_) }} #endif // BOOST_MPL_IF_HPP_INCLUDED
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