rust/tests/ui/consts/const-mut-refs/mut_ref_in_final.stderr

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2021-01-16 12:05:51 -06:00
error[E0764]: mutable references are not allowed in the final value of constants
--> $DIR/mut_ref_in_final.rs:10:21
|
LL | const B: *mut i32 = &mut 4;
| ^^^^^^
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error[E0716]: temporary value dropped while borrowed
--> $DIR/mut_ref_in_final.rs:16:40
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|
LL | const B3: Option<&mut i32> = Some(&mut 42);
| ----------^^-
| | | |
| | | temporary value is freed at the end of this statement
| | creates a temporary value which is freed while still in use
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| using this value as a constant requires that borrow lasts for `'static`
error[E0716]: temporary value dropped while borrowed
--> $DIR/mut_ref_in_final.rs:19:42
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|
LL | const B4: Option<&mut i32> = helper(&mut 42);
| ------------^^-
| | | |
| | | temporary value is freed at the end of this statement
| | creates a temporary value which is freed while still in use
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| using this value as a constant requires that borrow lasts for `'static`
error[E0716]: temporary value dropped while borrowed
--> $DIR/mut_ref_in_final.rs:34:65
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|
LL | const FOO: NotAMutex<&mut i32> = NotAMutex(UnsafeCell::new(&mut 42));
| -------------------------------^^--
| | | |
| | | temporary value is freed at the end of this statement
| | creates a temporary value which is freed while still in use
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| using this value as a constant requires that borrow lasts for `'static`
error[E0716]: temporary value dropped while borrowed
--> $DIR/mut_ref_in_final.rs:37:67
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|
LL | static FOO2: NotAMutex<&mut i32> = NotAMutex(UnsafeCell::new(&mut 42));
| -------------------------------^^--
| | | |
| | | temporary value is freed at the end of this statement
| | creates a temporary value which is freed while still in use
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| using this value as a static requires that borrow lasts for `'static`
error[E0716]: temporary value dropped while borrowed
--> $DIR/mut_ref_in_final.rs:40:71
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|
LL | static mut FOO3: NotAMutex<&mut i32> = NotAMutex(UnsafeCell::new(&mut 42));
| -------------------------------^^--
| | | |
| | | temporary value is freed at the end of this statement
| | creates a temporary value which is freed while still in use
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| using this value as a static requires that borrow lasts for `'static`
error: aborting due to 6 previous errors
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Some errors have detailed explanations: E0716, E0764.
For more information about an error, try `rustc --explain E0716`.