73ef4ff3
 Hu Chunming
提交三方库
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// Copyright Louis Dionne 2013-2022
// 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/at.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/tuple.hpp>
namespace hana = boost::hana;
constexpr auto xs = hana::make_tuple(0, '1', 2.0);
static_assert(hana::at(xs, hana::size_t<0>{}) == 0, "");
static_assert(hana::at(xs, hana::size_t<1>{}) == '1', "");
static_assert(hana::at(xs, hana::size_t<2>{}) == 2.0, "");
int main() { }
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