mirror of
https://github.com/boostorg/hana.git
synced 2026-02-22 03:22:21 +00:00
37 lines
911 B
C++
37 lines
911 B
C++
/*
|
|
@copyright Louis Dionne 2014
|
|
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 <boost/hana/comparable/laws.hpp>
|
|
#include <boost/hana/detail/constexpr.hpp>
|
|
#include <boost/hana/detail/minimal/product.hpp>
|
|
#include <boost/hana/detail/static_assert.hpp>
|
|
#include <boost/hana/integral.hpp>
|
|
#include <boost/hana/list/instance.hpp>
|
|
using namespace boost::hana;
|
|
|
|
|
|
template <int i>
|
|
constexpr auto key = int_<i>;
|
|
|
|
template <int i>
|
|
constexpr auto value = int_<i + 100>;
|
|
|
|
template <int i, int j>
|
|
BOOST_HANA_CONSTEXPR_LAMBDA auto p = detail::minimal::product<>(key<i>, value<j>);
|
|
|
|
int main() {
|
|
BOOST_HANA_STATIC_ASSERT(Comparable::laws::check(
|
|
list(
|
|
map(),
|
|
map(p<1, 1>),
|
|
map(p<1, 2>),
|
|
map(p<1, 1>, p<2, 2>)
|
|
)
|
|
));
|
|
}
|