mirror of
https://github.com/boostorg/hana.git
synced 2026-02-18 14:12:11 +00:00
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
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/list.hpp>
|
|
|
|
#include <boost/hana/detail/constexpr.hpp>
|
|
#include <boost/hana/detail/static_assert.hpp>
|
|
using namespace boost::hana;
|
|
|
|
|
|
template <int ...i>
|
|
BOOST_HANA_CONSTEXPR_LAMBDA auto ilist = list_c<int, i...>;
|
|
|
|
BOOST_HANA_CONSTEXPR_LAMBDA auto plus = [](auto x, auto y) { return x + y; };
|
|
|
|
int main() {
|
|
BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<>, ilist<>) == ilist<>);
|
|
BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<1>, ilist<>) == ilist<>);
|
|
BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<>, ilist<3>) == ilist<>);
|
|
BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<1>, ilist<3>) == ilist<1 + 3>);
|
|
BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<1, 2>, ilist<3, 4>) == ilist<1 + 3, 2 + 4>);
|
|
BOOST_HANA_STATIC_ASSERT(zip_with(plus, ilist<1, 2, 3, 4>, ilist<5, 6, 7>) == ilist<1 + 5, 2 + 6, 3 + 7>);
|
|
|
|
BOOST_HANA_STATIC_ASSERT(
|
|
zip_with(list,
|
|
list('1', '2', '3', '4'),
|
|
list("1", "2", "3"),
|
|
list(1, 2, 3, 4),
|
|
list(list(), list(list()), list(list(list())))
|
|
)
|
|
==
|
|
list(
|
|
list('1', "1", 1, list()),
|
|
list('2', "2", 2, list(list())),
|
|
list('3', "3", 3, list(list(list())))
|
|
)
|
|
);
|
|
}
|