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27 lines
978 B
C++
27 lines
978 B
C++
/*
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* Copyright Louis Dionne 2014
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE.md or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/range.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <boost/hana/integral.hpp>
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using namespace boost::hana;
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int main() {
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BOOST_HANA_STATIC_ASSERT(is_empty(range(int_<0>, int_<0>)));
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BOOST_HANA_STATIC_ASSERT(!is_empty(range(int_<0>, int_<1>)));
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BOOST_HANA_STATIC_ASSERT(!is_empty(range(int_<0>, int_<2>)));
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BOOST_HANA_STATIC_ASSERT(head(range(int_<0>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(head(range(int_<0>, int_<2>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(tail(range(int_<0>, int_<1>)) == range(int_<1>, int_<1>));
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BOOST_HANA_STATIC_ASSERT(tail(range(int_<0>, int_<2>)) == range(int_<1>, int_<2>));
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BOOST_HANA_STATIC_ASSERT(tail(range(int_<0>, int_<3>)) == range(int_<1>, int_<3>));
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}
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