move swap demo
https://movefuns.atlassian.net/wiki/spaces/MOVEFUNS/pages/2228225/Move
https://github.com/move-language/move/tree/main/language/documentation/tutorial
https://move-china.com/movebook https://move-dao.github.io/move-book-zh/structs-and-resources.html
https://developers.diem.com/docs/welcome-to-diem/
https://doc.rust-lang.org/stable/book/ch04-02-references-and-borrowing.html