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1 // Copyright Louis Dionne 2013-2017
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
5 #include <boost/hana/assert.hpp>
6 #include <boost/hana/experimental/view.hpp>
7 #include <boost/hana/is_empty.hpp>
8 #include <boost/hana/not.hpp>
10 #include <support/seq.hpp>
11 namespace hana
= boost::hana
;
17 auto container
= ::seq
;
20 auto xs
= container();
21 auto tr
= hana::experimental::transformed(xs
, undefined
{});
22 BOOST_HANA_CONSTANT_CHECK(hana::is_empty(tr
));
26 auto xs
= container(undefined
{});
27 auto tr
= hana::experimental::transformed(xs
, undefined
{});
28 BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(tr
)));
32 auto xs
= container(undefined
{}, undefined
{});
33 auto tr
= hana::experimental::transformed(xs
, undefined
{});
34 BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::is_empty(tr
)));