62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
//
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// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/json
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//
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#ifndef BOOST_JSON_IMPL_VISIT_HPP
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#define BOOST_JSON_IMPL_VISIT_HPP
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namespace boost {
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namespace json {
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template<class Visitor>
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auto
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visit(
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Visitor&& v,
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value& jv) -> decltype(
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std::declval<Visitor>()(nullptr))
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{
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switch(jv.kind())
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{
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default: // unreachable()?
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case kind::null: return std::forward<Visitor>(v)(nullptr);
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case kind::bool_: return std::forward<Visitor>(v)(jv.get_bool());
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case kind::int64: return std::forward<Visitor>(v)(jv.get_int64());
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case kind::uint64: return std::forward<Visitor>(v)(jv.get_uint64());
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case kind::double_: return std::forward<Visitor>(v)(jv.get_double());
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case kind::string: return std::forward<Visitor>(v)(jv.get_string());
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case kind::array: return std::forward<Visitor>(v)(jv.get_array());
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case kind::object: return std::forward<Visitor>(v)(jv.get_object());
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}
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}
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template<class Visitor>
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auto
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visit(
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Visitor&& v,
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value const& jv) -> decltype(
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std::declval<Visitor>()(nullptr))
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{
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switch (jv.kind())
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{
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default: // unreachable()?
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case kind::null: return std::forward<Visitor>(v)(nullptr);
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case kind::bool_: return std::forward<Visitor>(v)(jv.get_bool());
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case kind::int64: return std::forward<Visitor>(v)(jv.get_int64());
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case kind::uint64: return std::forward<Visitor>(v)(jv.get_uint64());
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case kind::double_: return std::forward<Visitor>(v)(jv.get_double());
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case kind::string: return std::forward<Visitor>(v)(jv.get_string());
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case kind::array: return std::forward<Visitor>(v)(jv.get_array());
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case kind::object: return std::forward<Visitor>(v)(jv.get_object());
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}
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}
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} // namespace json
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} // namespace boost
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#endif
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