hana/example/functional/iterate.cpp
2017-01-07 14:14:18 -08:00

20 lines
684 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/equal.hpp>
#include <boost/hana/functional/iterate.hpp>
#include <boost/hana/functional/placeholder.hpp>
#include <boost/hana/tuple.hpp>
namespace hana = boost::hana;
constexpr auto next_10 = hana::iterate<10>(hana::_ + 1);
static_assert(next_10(3) == 13, "");
constexpr auto xs = hana::make_tuple(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
static_assert(hana::iterate<3>(hana::make_tuple, xs) ==
hana::make_tuple(hana::make_tuple(hana::make_tuple(xs))), "");
int main() { }