63e88f80
 Hu Chunming
提交三方库
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//
// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
//
// 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)
//
// Official repository: https://github.com/boostorg/json
//
#ifndef BOOST_JSON_IMPL_VISIT_HPP
#define BOOST_JSON_IMPL_VISIT_HPP
BOOST_JSON_NS_BEGIN
template<class Visitor>
auto
visit(
Visitor&& v,
value& jv) -> decltype(
std::declval<Visitor>()(nullptr))
{
switch(jv.kind())
{
default: // unreachable()?
case kind::null: return std::forward<Visitor>(v)(nullptr);
case kind::bool_: return std::forward<Visitor>(v)(jv.get_bool());
case kind::int64: return std::forward<Visitor>(v)(jv.get_int64());
case kind::uint64: return std::forward<Visitor>(v)(jv.get_uint64());
case kind::double_: return std::forward<Visitor>(v)(jv.get_double());
case kind::string: return std::forward<Visitor>(v)(jv.get_string());
case kind::array: return std::forward<Visitor>(v)(jv.get_array());
case kind::object: return std::forward<Visitor>(v)(jv.get_object());
}
}
template<class Visitor>
auto
visit(
Visitor&& v,
value const& jv) -> decltype(
std::declval<Visitor>()(nullptr))
{
switch (jv.kind())
{
default: // unreachable()?
case kind::null: return std::forward<Visitor>(v)(nullptr);
case kind::bool_: return std::forward<Visitor>(v)(jv.get_bool());
case kind::int64: return std::forward<Visitor>(v)(jv.get_int64());
case kind::uint64: return std::forward<Visitor>(v)(jv.get_uint64());
case kind::double_: return std::forward<Visitor>(v)(jv.get_double());
case kind::string: return std::forward<Visitor>(v)(jv.get_string());
case kind::array: return std::forward<Visitor>(v)(jv.get_array());
case kind::object: return std::forward<Visitor>(v)(jv.get_object());
}
}
BOOST_JSON_NS_END
#endif
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