const SCREAMING_SNAKE_CASElet snake_caseRust는 99% 확률로 여러분의 변수의 자료형을 유추할 수 있습니다.유추가 불가능한 경우, 여러분의 변수 선언에 자료형을 추가해도 됩니다.variable shadowing - 동일한 이름의 변수에 여러번 값을 할당할 수 있다mutable - mutimmutable - read onlyRust Variable NotionRust OwnershipRust Immutability Move out of what exactly?What does this mean? cannot move out of input because it is borrowed What does something move out of input? I don't think the language works here. I read the chapter on borrowing in the book and I found it absurdly terse for one of the most complicated parts of the language.https://users.rust-lang.org/t/move-out-of-what-exactly/52236/3