forked from boostorg/mpl
merge new MPL version from 'mplbook' branch
[SVN r24874]
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+21
-32
@@ -1,40 +1,29 @@
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//-----------------------------------------------------------------------------
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// boost mpl/test/front.cpp source file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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// Copyright Aleksey Gurtovoy 2000-2004
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//
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// Copyright (c) 2000-02
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// Aleksey Gurtovoy
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// Distributed under the Boost Software License,Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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#include "boost/mpl/front.hpp"
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#include "boost/mpl/list.hpp"
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#include "boost/mpl/list_c.hpp"
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#include "boost/mpl/assert_is_same.hpp"
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#include "boost/static_assert.hpp"
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// $Source$
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// $Date$
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// $Revision$
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namespace mpl = boost::mpl;
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#include <boost/mpl/front.hpp>
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#include <boost/mpl/range_c.hpp>
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#include <boost/mpl/aux_/test.hpp>
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int main()
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template< typename Seq, int value > struct front_test
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{
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typedef mpl::list<long>::type types1;
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typedef mpl::list<int,long>::type types2;
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typedef mpl::list<char,int,long>::type types3;
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typedef typename front<Seq>::type t;
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MPL_ASSERT_RELATION( t::value, ==, value );
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};
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BOOST_MPL_ASSERT_IS_SAME(mpl::front<types1>::type, long);
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BOOST_MPL_ASSERT_IS_SAME(mpl::front<types2>::type, int);
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BOOST_MPL_ASSERT_IS_SAME(mpl::front<types3>::type, char);
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typedef mpl::list_c<int,1>::type values1;
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typedef mpl::list_c<int,2,1>::type values2;
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typedef mpl::list_c<int,3,2,1>::type values3;
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BOOST_STATIC_ASSERT(mpl::front<values1>::type::value == 1);
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BOOST_STATIC_ASSERT(mpl::front<values2>::type::value == 2);
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BOOST_STATIC_ASSERT(mpl::front<values3>::type::value == 3);
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return 0;
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MPL_TEST_CASE()
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{
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front_test< range_c<int,1,10>, 1 >();
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front_test< range_c<int,2,10>, 2 >();
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front_test< range_c<int,-1,0>, -1 >();
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}
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