//----------------------------------------------------------------------------- // boost mpl/test/find_if.cpp source file // See http://www.boost.org for updates, documentation, and revision history. //----------------------------------------------------------------------------- // // Copyright (c) 2000-02 // Aleksey Gurtovoy // // Permission to use, copy, modify, distribute and sell this software // and its documentation for any purpose is hereby granted without fee, // provided that the above copyright notice appears in all copies and // that both the copyright notice and this permission notice appear in // supporting documentation. No representations are made about the // suitability of this software for any purpose. It is provided "as is" // without express or implied warranty. #include "boost/mpl/find_if.hpp" #include "boost/mpl/list.hpp" #include "boost/mpl/distance.hpp" #include "boost/mpl/assert_is_same.hpp" #include "boost/type_traits/is_float.hpp" #include "boost/type_traits/is_same.hpp" #include "boost/static_assert.hpp" namespace mpl = boost::mpl; int main() { using namespace mpl::placeholders; typedef mpl::list9::type types; typedef mpl::find_if< types, boost::is_float<_> >::type iter1; typedef mpl::find_if< types, boost::is_same<_,long> >::type iter2; typedef mpl::find_if< types, boost::is_same<_,void> >::type iter3; BOOST_MPL_ASSERT_IS_SAME(iter1::type, double); BOOST_MPL_ASSERT_IS_SAME(iter2::type, long); BOOST_MPL_ASSERT_IS_SAME(iter3, mpl::end::type); typedef mpl::begin::type first; BOOST_STATIC_ASSERT((mpl::distance::type::value == 6)); BOOST_STATIC_ASSERT((mpl::distance::type::value == 2)); return 0; }