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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 "minimal.hpp"
#include <boost/hana/concept/constant.hpp>
#include <boost/hana/value.hpp>
namespace hana = boost::hana;
// Make sure we really satisfy Constant.
static_assert(hana::Constant<minimal_constant<int, 0>>::value, "");
static_assert(hana::Constant<minimal_constant<int, 1>>::value, "");
static_assert(hana::Constant<minimal_constant<int, 2>>::value, "");
static_assert(hana::Constant<minimal_constant<int, 3>>::value, "");
// Make sure we can use hana::value<> properly.
static_assert(hana::value<minimal_constant<int, 0>>() == 0, "");
static_assert(hana::value<minimal_constant<int, 1>>() == 1, "");
static_assert(hana::value<minimal_constant<int, 2>>() == 2, "");
static_assert(hana::value<minimal_constant<int, 3>>() == 3, "");
// Check the equivalence between `value(...)` and `value<decltype(...)>()`.
static_assert(hana::value(minimal_constant<int, 0>{}) == hana::value<minimal_constant<int, 0>>(), "");
static_assert(hana::value(minimal_constant<int, 1>{}) == hana::value<minimal_constant<int, 1>>(), "");
static_assert(hana::value(minimal_constant<int, 2>{}) == hana::value<minimal_constant<int, 2>>(), "");
static_assert(hana::value(minimal_constant<int, 3>{}) == hana::value<minimal_constant<int, 3>>(), "");
int main() { }
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