34 lines
1021 B
C++
34 lines
1021 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/map.hpp>
|
|
|
|
#include <laws/base.hpp>
|
|
#include <support/minimal_product.hpp>
|
|
#include <type_traits>
|
|
#include <utility>
|
|
namespace hana = boost::hana;
|
|
|
|
|
|
template <typename ...Pairs>
|
|
struct check_map {
|
|
static_assert(std::is_same<
|
|
hana::map<Pairs...>,
|
|
decltype(hana::make_map(std::declval<Pairs>()...))
|
|
>{}, "");
|
|
};
|
|
|
|
template <int i>
|
|
using pair = ::product_t<hana::test::ct_eq<i>, hana::test::ct_eq<-i>>;
|
|
|
|
template struct check_map<>;
|
|
template struct check_map<pair<1>>;
|
|
template struct check_map<pair<1>, pair<2>>;
|
|
template struct check_map<pair<1>, pair<2>, pair<3>>;
|
|
template struct check_map<pair<1>, pair<2>, pair<3>, pair<4>>;
|
|
template struct check_map<pair<1>, pair<2>, pair<3>, pair<4>, pair<5>>;
|
|
template struct check_map<pair<1>, pair<2>, pair<3>, pair<4>, pair<5>, pair<6>>;
|
|
|
|
int main() { }
|