Custom implementation

如何自定义实现iterator？

stackoverflow How to correctly implement custom iterators and const_iterators?

quuxplusone Pitfalls and decision points in implementing const_iterator

Boost iterator

参见 C++\Library\Boost\Boost-Iterator 章节。

参见

1、stackoverflow How does std::vector::end() iterator work in memory?

2、https://www.boost.org/doc/libs/master/boost/beast/core/span.hpp

3、stackoverflow How is end() implemented in STL containers?

4、stackoverflow How can an implementation guarantee that copy constructor of an iterator is no throw?

stackoverflow Implementing an iterator copy constructor