[CI/CD Url] https://ntaro117.visualstudio.com/learn-rust/_wiki/wikis/learn-rust.wiki?wikiVersion=GBwikiMaster https://doc.rust-lang.org/book/ch04-01-what-is-ownership.html https://doc.rust-lang.org/book/ch04-03-slices.html https://doc.rust-lang.org/book/ch05-03-method-syntax.html