Class ValueType

src/include/nlohmann/json.hpp:2249–2249

    /// @brief access specified object element with default value
    /// @sa https://json.nlohmann.me/api/basic_json/value/
    template < class ValueType, detail::enable_if_t <
                   !detail::is_transparent<object_comparator_t>::value
                   && detail::is_getable<basic_json_t, ValueType>::value
                   && !std::is_same<value_t, detail::uncvref_t<ValueType>>::value, int > = 0 >