@brief exception indicating access out of the defined range @sa https://json.nlohmann.me/api/basic_json/out_of_range/

@brief exception indicating access out of the defined range @sa https://json.nlohmann.me/api/basic_json/out_of_range/

! Input adapter for a (caching) istream. Ignores a UFT Byte Order Mark at beginning of input. Does not support changing the underlying std::streambu

! Input adapter for a (caching) istream. Ignores a UFT Byte Order Mark at beginning of input. Does not support changing the underlying std::streambu

@brief an iterator for primitive JSON types This class models an iterator for primitive JSON types (boolean, number, string). It's only purpose is

@brief an iterator for primitive JSON types This class models an iterator for primitive JSON types (boolean, number, string). It's only purpose is

前向声明，不需要完整类型

===== 链表结构构建 =====

4.1.8.67 addresses