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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/equal.hpp>
7 #include <boost/hana/find_if.hpp>
8 #include <boost/hana/optional.hpp>
10 #include <laws/base.hpp>
11 namespace hana
= boost::hana
;
12 using hana::test::ct_eq
;
19 BOOST_HANA_CONSTANT_CHECK(hana::equal(
20 hana::find_if(hana::just(x
), hana::equal
.to(x
)),
23 BOOST_HANA_CONSTANT_CHECK(hana::equal(
24 hana::find_if(hana::just(x
), hana::equal
.to(y
)),
27 BOOST_HANA_CONSTANT_CHECK(hana::equal(
28 hana::find_if(hana::nothing
, hana::equal
.to(x
)),
32 // Previously, there was a bug that would make this fail.
33 auto non_const_nothing
= hana::nothing
;
34 BOOST_HANA_CONSTANT_CHECK(hana::equal(
35 hana::find_if(non_const_nothing
, hana::equal
.to(x
)),