mirror of
https://github.com/boostorg/hana.git
synced 2026-02-08 23:02:10 +00:00
24 lines
785 B
C++
24 lines
785 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/detail/assert.hpp>
|
|
#include <boost/hana/detail/constexpr.hpp>
|
|
#include <boost/hana/integral.hpp>
|
|
#include <boost/hana/list/instance.hpp>
|
|
using namespace boost::hana;
|
|
|
|
|
|
int main() {
|
|
//! [main]
|
|
BOOST_HANA_CONSTEXPR_LAMBDA auto xs = list(0, '1', 2.0);
|
|
BOOST_HANA_CONSTEXPR_ASSERT(drop(int_<0>, xs) == xs);
|
|
BOOST_HANA_CONSTEXPR_ASSERT(drop(int_<1>, xs) == list('1', 2.0));
|
|
BOOST_HANA_CONSTEXPR_ASSERT(drop(int_<2>, xs) == list(2.0));
|
|
BOOST_HANA_CONSTANT_ASSERT(drop(int_<3>, xs) == list());
|
|
BOOST_HANA_CONSTANT_ASSERT(drop(int_<4>, xs) == list());
|
|
//! [main]
|
|
}
|