mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 16:54:01 +00:00
82 lines
2.6 KiB
Plaintext
82 lines
2.6 KiB
Plaintext
error[E0505]: cannot move out of `x` because it is borrowed
|
|
--> $DIR/borrow-tuple-fields.rs:12:13
|
|
|
|
|
LL | let x: (Box<_>, _) = (Box::new(1), 2);
|
|
| - binding `x` declared here
|
|
LL | let r = &x.0;
|
|
| ---- borrow of `x.0` occurs here
|
|
LL | let y = x;
|
|
| ^ move out of `x` occurs here
|
|
LL |
|
|
LL | r.use_ref();
|
|
| - borrow later used here
|
|
|
|
|
help: consider cloning the value if the performance cost is acceptable
|
|
|
|
|
LL - let r = &x.0;
|
|
LL + let r = x.0.clone();
|
|
|
|
|
|
|
error[E0502]: cannot borrow `x.0` as mutable because it is also borrowed as immutable
|
|
--> $DIR/borrow-tuple-fields.rs:18:13
|
|
|
|
|
LL | let a = &x.0;
|
|
| ---- immutable borrow occurs here
|
|
LL | let b = &mut x.0;
|
|
| ^^^^^^^^ mutable borrow occurs here
|
|
LL | a.use_ref();
|
|
| - immutable borrow later used here
|
|
|
|
error[E0499]: cannot borrow `x.0` as mutable more than once at a time
|
|
--> $DIR/borrow-tuple-fields.rs:23:13
|
|
|
|
|
LL | let a = &mut x.0;
|
|
| -------- first mutable borrow occurs here
|
|
LL | let b = &mut x.0;
|
|
| ^^^^^^^^ second mutable borrow occurs here
|
|
LL | a.use_ref();
|
|
| - first borrow later used here
|
|
|
|
error[E0505]: cannot move out of `x` because it is borrowed
|
|
--> $DIR/borrow-tuple-fields.rs:28:13
|
|
|
|
|
LL | let x = Foo(Box::new(1), 2);
|
|
| - binding `x` declared here
|
|
LL | let r = &x.0;
|
|
| ---- borrow of `x.0` occurs here
|
|
LL | let y = x;
|
|
| ^ move out of `x` occurs here
|
|
LL | r.use_ref();
|
|
| - borrow later used here
|
|
|
|
|
help: consider cloning the value if the performance cost is acceptable
|
|
|
|
|
LL - let r = &x.0;
|
|
LL + let r = x.0.clone();
|
|
|
|
|
|
|
error[E0502]: cannot borrow `x.0` as mutable because it is also borrowed as immutable
|
|
--> $DIR/borrow-tuple-fields.rs:33:13
|
|
|
|
|
LL | let a = &x.0;
|
|
| ---- immutable borrow occurs here
|
|
LL | let b = &mut x.0;
|
|
| ^^^^^^^^ mutable borrow occurs here
|
|
LL | a.use_ref();
|
|
| - immutable borrow later used here
|
|
|
|
error[E0499]: cannot borrow `x.0` as mutable more than once at a time
|
|
--> $DIR/borrow-tuple-fields.rs:38:13
|
|
|
|
|
LL | let a = &mut x.0;
|
|
| -------- first mutable borrow occurs here
|
|
LL | let b = &mut x.0;
|
|
| ^^^^^^^^ second mutable borrow occurs here
|
|
LL | a.use_mut();
|
|
| - first borrow later used here
|
|
|
|
error: aborting due to 6 previous errors
|
|
|
|
Some errors have detailed explanations: E0499, E0502, E0505.
|
|
For more information about an error, try `rustc --explain E0499`.
|