2022-02-06 16:43:51 +08:00
|
|
|
$ cargo run
|
|
|
|
|
Compiling ownership v0.1.0 (file:///projects/ownership)
|
|
|
|
|
error[E0502]: cannot borrow `s` as mutable because it is also borrowed as immutable
|
|
|
|
|
--> src/main.rs:6:14
|
|
|
|
|
|
|
|
|
|
|
4 | let r1 = &s; // no problem
|
|
|
|
|
| -- immutable borrow occurs here
|
|
|
|
|
5 | let r2 = &s; // no problem
|
|
|
|
|
6 | let r3 = &mut s; // BIG PROBLEM
|
|
|
|
|
| ^^^^^^ mutable borrow occurs here
|
2023-01-16 17:34:52 +08:00
|
|
|
7 |
|
2022-02-06 16:43:51 +08:00
|
|
|
8 | println!("{}, {}, and {}", r1, r2, r3);
|
|
|
|
|
| -- immutable borrow later used here
|
|
|
|
|
|
|
|
|
|
For more information about this error, try `rustc --explain E0502`.
|
2024-06-06 21:23:21 +08:00
|
|
|
error: could not compile `ownership` (bin "ownership") due to 1 previous error
|
