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/integral_constant.hpp>
#include <boost/hana/value.hpp>
namespace hana = boost::hana;
int main() {
auto i = hana::integral_c<int, 3>; // notice no constexpr
static_assert(hana::value<decltype(i)>() == 3, "");
static_assert(hana::value(i) == 3, "value(i) is always a constant expression!");
}
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