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// Copyright Louis Dionne 2013-2017
// 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/assert.hpp>
#include <boost/hana/drop_while.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/less.hpp>
#include <boost/hana/negate.hpp>
#include <boost/hana/range.hpp>
#include <boost/hana/tuple.hpp>
namespace hana = boost::hana;
using namespace hana::literals;
auto negative = [](auto x) {
return x < hana::int_c<0>;
};
BOOST_HANA_CONSTANT_CHECK(
hana::drop_while(hana::make_range(hana::int_c<-3>, hana::int_c<6>), negative)
==
hana::make_range(hana::int_c<0>, hana::int_c<6>)
);
BOOST_HANA_CONSTANT_CHECK(
hana::drop_while(hana::make_tuple(1_c, -2_c, 4_c, 5_c), negative)
==
hana::make_tuple(1_c, -2_c, 4_c, 5_c)
);
int main() { }
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