mirror of
https://github.com/boostorg/fusion.git
synced 2025-07-01 14:50:59 +02:00
39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2001-2006 Joel de Guzman
|
|
Copyright (c) 2005 Eric Niebler
|
|
|
|
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)
|
|
==============================================================================*/
|
|
#include <boost/detail/lightweight_test.hpp>
|
|
#include <boost/fusion/container/vector/vector.hpp>
|
|
#include <boost/fusion/adapted/mpl.hpp>
|
|
#include <boost/fusion/algorithm/query/count_if.hpp>
|
|
#include <boost/lambda/lambda.hpp>
|
|
#include <boost/mpl/vector_c.hpp>
|
|
#include <functional>
|
|
|
|
int
|
|
main()
|
|
{
|
|
{
|
|
boost::fusion::vector<int, short, double> t(1, 2, 3.3);
|
|
BOOST_TEST(boost::fusion::count_if(t, boost::lambda::_1 == 2) == 1);
|
|
}
|
|
|
|
{
|
|
boost::fusion::vector<int, short, double> t(1, 2, 3.3);
|
|
BOOST_TEST(boost::fusion::count_if(t, boost::lambda::_1 == 3) == 0);
|
|
}
|
|
|
|
{
|
|
typedef boost::mpl::vector_c<int, 1, 2, 3> mpl_vec;
|
|
// Cannot use lambda here as mpl iterators return rvalues and lambda needs lvalues
|
|
BOOST_TEST(boost::fusion::count_if(mpl_vec(), std::bind2nd(std::less_equal<int>(), 2)) == 2);
|
|
BOOST_TEST(boost::fusion::count_if(mpl_vec(), std::bind2nd(std::greater<int>(), 2)) == 1);
|
|
}
|
|
|
|
return boost::report_errors();
|
|
}
|
|
|