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hana/example/range/iterable.cpp
2014-08-05 10:37:54 -04:00

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689 B
C++

/*
@copyright Louis Dionne 2014
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
*/
#include <boost/hana/detail/assert.hpp>
#include <boost/hana/detail/constexpr.hpp>
#include <boost/hana/integral.hpp>
#include <boost/hana/range.hpp>
using namespace boost::hana;
int main() {
//! [main]
BOOST_HANA_CONSTEXPR_LAMBDA auto r = range(int_<0>, int_<1000>);
BOOST_HANA_CONSTANT_ASSERT(head(r) == int_<0>);
BOOST_HANA_CONSTANT_ASSERT(last(r) == int_<999>);
BOOST_HANA_CONSTANT_ASSERT(!is_empty(r));
BOOST_HANA_CONSTANT_ASSERT(is_empty(range(int_<3>, int_<3>)));
//! [main]
}