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Serialize empty tuple into '[]' instead of null (#4594)

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Signed-off-by: Michael Valladolid <mikevalladolid@gmail.com>
This commit is contained in:
Michael Valladolid
2025-01-19 04:34:11 +09:00
committed by GitHub
parent e72046ef9f
commit bdb8d2b7b3
4 changed files with 35 additions and 0 deletions
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13
single_include/nlohmann/json.hpp
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@ -5190,6 +5190,12 @@ std::tuple<Args...> from_json_tuple_impl_base(BasicJsonType&& j, index_sequence<
return std::make_tuple(std::forward<BasicJsonType>(j).at(Idx).template get<Args>()...);
}
template<typename BasicJsonType>
std::tuple<> from_json_tuple_impl_base(BasicJsonType& /*unused*/, index_sequence<> /*unused*/)
{
return {};
}
template < typename BasicJsonType, class A1, class A2 >
std::pair<A1, A2> from_json_tuple_impl(BasicJsonType&& j, identity_tag<std::pair<A1, A2>> /*unused*/, priority_tag<0> /*unused*/)
{
@ -6019,6 +6025,13 @@ inline void to_json_tuple_impl(BasicJsonType& j, const Tuple& t, index_sequence<
j = { std::get<Idx>(t)... };
}
template<typename BasicJsonType, typename Tuple>
inline void to_json_tuple_impl(BasicJsonType& j, const Tuple& /*unused*/, index_sequence<> /*unused*/)
{
using array_t = typename BasicJsonType::array_t;
j = array_t();
}
template<typename BasicJsonType, typename T, enable_if_t<is_constructible_tuple<BasicJsonType, T>::value, int > = 0>
inline void to_json(BasicJsonType& j, const T& t)
{