1 
2 // Copyright Aleksey Gurtovoy 2001-2004
3 //
4 // Distributed under the Boost Software License,Version 1.0.
5 // (See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt)
7 //
8 // See http://www.boost.org/libs/mpl for documentation.
9 
10 // $Id$
11 // $Date$
12 // $Revision$
13 
14 #include <boost/static_assert.hpp>
15 #include <boost/mpl/filter_view.hpp>
16 #include <boost/mpl/transform_view.hpp>
17 #include <boost/mpl/max_element.hpp>
18 #include <boost/mpl/list.hpp>
19 #include <boost/mpl/sizeof.hpp>
20 #include <boost/mpl/deref.hpp>
21 #include <boost/mpl/equal.hpp>
22 #include <boost/mpl/aux_/test.hpp>
23 
24 #include <boost/type_traits/is_float.hpp>
25 #include <boost/type_traits/is_same.hpp>
26 
MPL_TEST_CASE()27 MPL_TEST_CASE()
28 {
29     typedef mpl::list<int,float,long,float,char[50],long double,char> types;
30     typedef mpl::list<float,float,long double> floats;
31 
32     MPL_ASSERT(( equal< mpl::filter_view< types,boost::is_float<_> >::type,floats > ));
33 
34     typedef mpl::max_element<
35           mpl::transform_view<
36               mpl::filter_view< types,boost::is_float<_> >
37             , mpl::sizeof_<_>
38             >
39         >::type iter;
40 
41     MPL_ASSERT((is_same<mpl::deref<iter::base>::type, long double>));
42 }
43