-
Notifications
You must be signed in to change notification settings - Fork 12.5k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Auto merge of #61947 - estebank:ice-ice-revolution, r=matthewjasper
- Loading branch information
Showing
3 changed files
with
34 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,11 @@ | ||
fn f1<'a>(_: &'a mut ()) {} | ||
|
||
fn f2<P>(_: P, _: ()) {} | ||
|
||
fn f3<'a>(x: &'a ((), &'a mut ())) { | ||
f2(|| x.0, f1(x.1)) | ||
//~^ ERROR cannot borrow `*x.1` as mutable, as it is behind a `&` reference | ||
//~| ERROR cannot borrow `*x.1` as mutable because it is also borrowed as immutable | ||
} | ||
|
||
fn main() {} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,22 @@ | ||
error[E0596]: cannot borrow `*x.1` as mutable, as it is behind a `&` reference | ||
--> $DIR/issue-61623.rs:6:19 | ||
| | ||
LL | fn f3<'a>(x: &'a ((), &'a mut ())) { | ||
| -------------------- help: consider changing this to be a mutable reference: `&'a mut ((), &'a mut ())` | ||
LL | f2(|| x.0, f1(x.1)) | ||
| ^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable | ||
|
||
error[E0502]: cannot borrow `*x.1` as mutable because it is also borrowed as immutable | ||
--> $DIR/issue-61623.rs:6:19 | ||
| | ||
LL | f2(|| x.0, f1(x.1)) | ||
| -- -- - ^^^ mutable borrow occurs here | ||
| | | | | ||
| | | first borrow occurs due to use of `x` in closure | ||
| | immutable borrow occurs here | ||
| immutable borrow later used by call | ||
|
||
error: aborting due to 2 previous errors | ||
|
||
Some errors have detailed explanations: E0502, E0596. | ||
For more information about an error, try `rustc --explain E0502`. |