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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/test/apply_if.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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//
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// Copyright (c) 2000-02
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// Aleksey Gurtovoy
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appears in all copies and
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// that both the copyright notice and this permission notice appear in
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// supporting documentation. No representations are made about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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#include "boost/mpl/apply_if.hpp"
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#include "boost/mpl/bool_c.hpp"
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#include "boost/mpl/identity.hpp"
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#include "boost/mpl/assert_is_same.hpp"
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namespace mpl = boost::mpl;
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int main()
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{
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typedef mpl::apply_if<
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mpl::true_c
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, mpl::identity<char>
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, mpl::identity<long>
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>::type t1;
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typedef mpl::apply_if_c<
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true
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, mpl::identity<char>
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, mpl::identity<long>
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>::type t2;
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BOOST_MPL_ASSERT_IS_SAME(t1, char);
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BOOST_MPL_ASSERT_IS_SAME(t2, char);
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typedef mpl::apply_if<
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mpl::false_c
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, mpl::identity<char>
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, mpl::identity<long>
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>::type t3;
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typedef mpl::apply_if_c<
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false
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, mpl::identity<char>
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, mpl::identity<long>
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>::type t4;
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BOOST_MPL_ASSERT_IS_SAME(t3, long);
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BOOST_MPL_ASSERT_IS_SAME(t4, long);
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return 0;
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}
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