26 lines
649 B
C++
26 lines
649 B
C++
// Copyright Louis Dionne 2013-2017
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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#include <boost/hana/fold_left.hpp>
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#include <boost/hana/tuple.hpp>
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struct f {
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template <typename State, typename X>
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constexpr X operator()(State, X x) const { return x; }
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};
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struct state { };
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template <int i>
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struct x { };
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int main() {
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constexpr auto tuple = boost::hana::make_tuple(
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<%= (1..input_size).map { |n| "x<#{n}>{}" }.join(', ') %>
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);
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constexpr auto result = boost::hana::fold_left(tuple, state{}, f{});
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(void)result;
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}
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