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hana/test/basic_tuple/drop_front.cpp
Louis Dionne 45ac9deb2c Fix missed opportunity for EBO in nested empty basic_tuples
Also, add tests to make sure the same does not happen in hana::pair.
2017-04-08 14:20:30 -07:00

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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/basic_tuple.hpp>
#include <boost/hana/drop_front.hpp>
#include <boost/hana/integral_constant.hpp>
namespace hana = boost::hana;
template <int i>
struct x { };
int main() {
// Make sure drop_front works with nested tuples
hana::basic_tuple<x<0>, hana::basic_tuple<x<1>, x<2>>> tuple;
auto all = hana::drop_front(tuple, hana::size_c<0>); (void)all;
}