// move_semantics5.rs // // Make me compile only by reordering the lines in `main()`, but without adding, // changing or removing any of them. // // Execute `rustlings hint move_semantics5` or use the `hint` watch subcommand // for a hint. // [[NOTE]] 使用作用域讓可變借用的生命週期提早結束 #[test] fn main() { let mut x = 100; { let y = &mut x; *y += 100; } { let z = &mut x; *z += 1000; } assert_eq!(x, 1200); }