hana/benchmark/find_if/compile.std.integer_sequence.erb.cpp
2017-01-07 14:14:18 -08:00

28 lines
745 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/bool.hpp>
#include <boost/hana/ext/std/integer_sequence.hpp>
#include <boost/hana/find_if.hpp>
#include <boost/hana/integral_constant.hpp>
#include <utility>
namespace hana = boost::hana;
struct is_last {
template <typename N>
constexpr auto operator()(N) const {
return hana::bool_c<N::value == <%= input_size %>>;
}
};
int main() {
auto sequence = std::integer_sequence<
<%= (["int"] + (1..input_size).to_a).join(', ') %>
>{};
auto result = hana::find_if(sequence, is_last{});
(void)result;
}