eval_if.cpp

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// 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.cpp 49268 2008-10-11 06:26:17Z agurtovoy $// $Date: 2008-10-11 02:26:17 -0400 (Sat, 11 Oct 2008) $// $Revision: 49268 $#include <boost/mpl/eval_if.hpp>#include <boost/mpl/bool.hpp>#include <boost/mpl/identity.hpp>#include <boost/mpl/aux_/test.hpp>#include <boost/type_traits/is_same.hpp>MPL_TEST_CASE(){    typedef eval_if< true_, identity<char>, identity<long> >::type t1;    typedef eval_if_c< true, identity<char>, identity<long> >::type t2;    typedef eval_if< false_, identity<char>, identity<long> >::type t3;    typedef eval_if_c< false, identity<char>, identity<long> >::type t4;    MPL_ASSERT(( is_same<t1,char> ));    MPL_ASSERT(( is_same<t2,char> ));    MPL_ASSERT(( is_same<t3,long> ));    MPL_ASSERT(( is_same<t4,long> ));}

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