rust/src/test/ui/span/borrowck-call-is-borrow-issue-12224.stderr

51 lines
1.8 KiB
Plaintext
Raw Normal View History

error[E0499]: cannot borrow `f` as mutable more than once at a time
2018-12-25 08:56:47 -07:00
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:12:16
|
2018-02-23 03:42:32 +03:00
LL | f(Box::new(|| {
| - ^^ second mutable borrow occurs here
| |
| first mutable borrow occurs here
2019-03-09 15:03:44 +03:00
LL |
2018-02-23 03:42:32 +03:00
LL | f((Box::new(|| {})))
| - borrow occurs due to use of `f` in closure
2018-02-23 03:42:32 +03:00
LL | }));
| - first borrow ends here
2017-05-27 19:58:52 +02:00
error[E0596]: cannot borrow immutable borrowed content `*f` as mutable
2018-12-25 08:56:47 -07:00
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:25:5
|
2018-02-23 03:42:32 +03:00
LL | fn test2<F>(f: &F) where F: FnMut() {
| -- use `&mut F` here to make mutable
2018-02-23 03:42:32 +03:00
LL | (*f)();
| ^^^^ cannot borrow as mutable
error[E0596]: cannot borrow field `f.f` of immutable binding as mutable
2018-12-25 08:56:47 -07:00
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:34:5
|
2018-02-23 03:42:32 +03:00
LL | fn test4(f: &Test) {
| ----- use `&mut Test` here to make mutable
2018-02-23 03:42:32 +03:00
LL | f.f.call_mut(())
| ^^^ cannot mutably borrow field of immutable binding
error[E0504]: cannot move `f` into closure because it is borrowed
2018-12-25 08:56:47 -07:00
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:56:13
|
2018-02-23 03:42:32 +03:00
LL | f(Box::new(|a| {
| - borrow of `f` occurs here
2018-02-23 03:42:32 +03:00
LL | foo(f);
| ^ move into closure occurs here
error[E0507]: cannot move out of captured outer variable in an `FnMut` closure
2018-12-25 08:56:47 -07:00
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:56:13
|
LL | let mut f = move |g: Box<FnMut(isize)>, b: isize| {
2017-04-24 20:25:30 -07:00
| ----- captured outer variable
...
2018-02-23 03:42:32 +03:00
LL | foo(f);
| ^ cannot move out of captured outer variable in an `FnMut` closure
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0499, E0504, E0507, E0596.
2018-03-03 15:59:40 +01:00
For more information about an error, try `rustc --explain E0499`.