hana/example/then.cpp
2017-01-07 14:14:18 -08:00

22 lines
526 B
C++

// 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/equal.hpp>
#include <boost/hana/then.hpp>
#include <boost/hana/tuple.hpp>
namespace hana = boost::hana;
struct undefined { };
static_assert(
hana::then(hana::make_tuple(undefined{}, undefined{}), hana::make_tuple(1, 2, 3))
==
hana::make_tuple(
1, 2, 3,
1, 2, 3
)
, "");
int main() { }