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48 lines
1.6 KiB
Plaintext
48 lines
1.6 KiB
Plaintext
error[E0515]: cannot return reference to local variable `x`
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--> $DIR/polonius-smoke-test.rs:6:5
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LL | &x
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| ^^ returns a reference to data owned by the current function
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error[E0503]: cannot use `x` because it was mutably borrowed
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--> $DIR/polonius-smoke-test.rs:12:13
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LL | let y = &mut x;
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| ------ `x` is borrowed here
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LL | let z = x;
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| ^ use of borrowed `x`
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LL | let w = y;
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| - borrow later used here
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error[E0505]: cannot move out of `x` because it is borrowed
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--> $DIR/polonius-smoke-test.rs:18:13
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LL | pub fn use_while_mut_fr(x: &mut i32) -> &mut i32 {
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| - - let's call the lifetime of this reference `'1`
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| |
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| binding `x` declared here
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LL | let y = &mut *x;
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| ------- borrow of `*x` occurs here
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LL | let z = x;
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| ^ move out of `x` occurs here
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LL | y
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| - returning this value requires that `*x` is borrowed for `'1`
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error[E0505]: cannot move out of `s` because it is borrowed
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--> $DIR/polonius-smoke-test.rs:42:5
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LL | let s = &mut 1;
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| - binding `s` declared here
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LL | let r = &mut *s;
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| ------- borrow of `*s` occurs here
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LL | let tmp = foo(&r);
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LL | s;
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| ^ move out of `s` occurs here
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LL | tmp;
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| --- borrow later used here
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error: aborting due to 4 previous errors
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Some errors have detailed explanations: E0503, E0505, E0515.
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For more information about an error, try `rustc --explain E0503`.
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