62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
//-----------------------------------------------------------------------------
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// boost-libs variant/test/issue42.cpp source file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2018-2021 Antony Polukhin
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Test case from https://github.com/boostorg/variant/issues/42
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#include <boost/variant.hpp>
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#include <map>
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#include <memory>
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#include <vector>
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#ifdef BOOST_NO_CXX11_SMART_PTR
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template <class T> struct shared_ptr_like {};
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typedef shared_ptr_like<boost::recursive_variant_> ptr_t;
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#else
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typedef std::shared_ptr<boost::recursive_variant_> ptr_t;
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#endif
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template <class F>
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class func{};
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int main() {
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typedef boost::make_recursive_variant<
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int,
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ptr_t
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>::type node;
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node x = 1;
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(void)x;
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typedef boost::make_recursive_variant<
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std::string, int, double, bool,
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ptr_t,
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std::map<const std::string, boost::recursive_variant_>,
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std::vector<boost::recursive_variant_>
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>::type node2;
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node2 x2 = 1;
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(void)x2;
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typedef boost::make_recursive_variant<
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int,
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func<boost::recursive_variant_(*)(boost::recursive_variant_&, const boost::recursive_variant_&)>,
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boost::recursive_variant_&(*)(boost::recursive_variant_, boost::recursive_variant_*),
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ptr_t
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>::type node3;
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node3 x3 = func<node3(*)(node3&, const node3&)>();
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(void)x3;
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}
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