trpl-zh-cn/listings/ch15-smart-pointers/no-listing-01-cant-borrow-immutable-as-mutable/output.txt
2022-02-06 16:43:51 +08:00

13 lines
459 B
Plaintext
Executable File

$ cargo run
Compiling borrowing v0.1.0 (file:///projects/borrowing)
error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
--> src/main.rs:3:13
|
2 | let x = 5;
| - help: consider changing this to be mutable: `mut x`
3 | let y = &mut x;
| ^^^^^^ cannot borrow as mutable
For more information about this error, try `rustc --explain E0596`.
error: could not compile `borrowing` due to previous error