rust/src/test/ui/span/borrowck-call-is-borrow-issue-12224.nll.stderr
2018-06-19 19:38:37 +02:00

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error[E0499]: cannot borrow `f` as mutable more than once at a time
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:22:16
|
LL | f(Box::new(|| {
| - ^^ second mutable borrow occurs here
| |
| _____first mutable borrow occurs here
| |
LL | | //~^ ERROR: cannot borrow `f` as mutable more than once
LL | | f((Box::new(|| {})))
| | - borrow occurs due to use of `f` in closure
LL | | }));
| |_______- borrow later used here
error[E0596]: cannot borrow immutable item `*f` as mutable
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:35:5
|
LL | fn test2<F>(f: &F) where F: FnMut() {
| -- help: consider changing this to be a mutable reference: `&mut F`
LL | (*f)();
| ^^^^ `f` is a `&` reference, so the data it refers to cannot be borrowed as mutable
error[E0596]: cannot borrow immutable item `*f.f` as mutable
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:44:5
|
LL | fn test4(f: &Test) {
| ----- help: consider changing this to be a mutable reference: `&mut Test<'_>`
LL | f.f.call_mut(())
| ^^^ `f` is a `&` reference, so the data it refers to cannot be borrowed as mutable
error[E0507]: cannot move out of borrowed content
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:66:13
|
LL | foo(f);
| ^ cannot move out of borrowed content
error[E0505]: cannot move out of `f` because it is borrowed
--> $DIR/borrowck-call-is-borrow-issue-12224.rs:65:16
|
LL | f(Box::new(|a| {
| _____-__________^
| | |
| |_____borrow of `f` occurs here
| ||
LL | || foo(f);
LL | || //~^ ERROR cannot move `f` into closure because it is borrowed
LL | || //~| ERROR cannot move out of captured outer variable in an `FnMut` closure
LL | || }), 3);
| ||_____^____- borrow later used here
| |_____|
| move out of `f` occurs here
error: aborting due to 5 previous errors
Some errors occurred: E0499, E0505, E0507, E0596.
For more information about an error, try `rustc --explain E0499`.