mirror of
https://github.com/boostorg/hana.git
synced 2026-02-02 21:02:15 +00:00
27 lines
749 B
C++
27 lines
749 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/foreign.hpp>
|
|
#include <boost/hana/maybe.hpp>
|
|
#include <boost/hana/tuple.hpp>
|
|
using namespace boost::hana;
|
|
|
|
|
|
int main() {
|
|
//! [main]
|
|
BOOST_HANA_CONSTEXPR_ASSERT(
|
|
flatten(tuple(tuple(1, 2, 3), tuple(4, 5), tuple(6, 7, 8, 9)))
|
|
==
|
|
tuple(1, 2, 3, 4, 5, 6, 7, 8, 9)
|
|
);
|
|
|
|
BOOST_HANA_CONSTANT_ASSERT(flatten(nothing) == nothing);
|
|
BOOST_HANA_CONSTEXPR_ASSERT(flatten(just(just(1))) == just(1));
|
|
BOOST_HANA_CONSTANT_ASSERT(flatten(just(nothing)) == nothing);
|
|
//! [main]
|
|
}
|