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//-----------------------------------------------------------------------------
// boost-libs variant/test/issue42.cpp source file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2018-2025 Antony Polukhin
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Test case from https://github.com/boostorg/variant/issues/42
#include <boost/variant.hpp>
#include <map>
#include <memory>
#include <vector>
#ifdef BOOST_NO_CXX11_SMART_PTR
template <class T> struct shared_ptr_like {};
typedef shared_ptr_like<boost::recursive_variant_> ptr_t;
#else
typedef std::shared_ptr<boost::recursive_variant_> ptr_t;
#endif
template <class F>
class func{};
int main() {
typedef boost::make_recursive_variant<
int,
ptr_t
>::type node;
node x = 1;
(void)x;
typedef boost::make_recursive_variant<
std::string, int, double, bool,
ptr_t,
std::map<const std::string, boost::recursive_variant_>,
std::vector<boost::recursive_variant_>
>::type node2;
node2 x2 = 1;
(void)x2;
typedef boost::make_recursive_variant<
int,
func<boost::recursive_variant_(*)(boost::recursive_variant_&, const boost::recursive_variant_&)>,
boost::recursive_variant_&(*)(boost::recursive_variant_, boost::recursive_variant_*),
ptr_t
>::type node3;
node3 x3 = func<node3(*)(node3&, const node3&)>();
(void)x3;
}
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