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hana/test/iterable/length.cpp
2014-05-20 18:40:42 -04:00

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/*
* Copyright Louis Dionne 2014
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE.md or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/hana/iterable.hpp>
#include <boost/hana/detail/static_assert.hpp>
#include <boost/hana/integral.hpp>
#include "minimal_iterable.hpp"
using namespace boost::hana;
int main() {
BOOST_HANA_STATIC_ASSERT(length(iterable()) == int_<0>);
BOOST_HANA_STATIC_ASSERT(length(iterable(int_<0>)) == int_<1>);
BOOST_HANA_STATIC_ASSERT(length(iterable(int_<0>, int_<1>)) == int_<2>);
BOOST_HANA_STATIC_ASSERT(length(iterable(int_<0>, int_<1>, int_<2>)) == int_<3>);
}