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

25 lines
653 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/bool.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/if.hpp>
#include <boost/hana/tuple.hpp>
namespace hana = boost::hana;
static_assert(hana::if_(true, 1, 2) == 1, "");
static_assert(hana::if_(false, 1, 2) == 2, "");
static_assert(
hana::if_(hana::true_c,
hana::make_tuple('t', 'r', 'u', 'e'),
hana::make_tuple('f', 'a', 'l', 's', 'e')
)
==
hana::make_tuple('t', 'r', 'u', 'e')
, "");
int main() { }