mirror of https://github.com/rust-lang/rust
82 lines
2.6 KiB
Plaintext
82 lines
2.6 KiB
Plaintext
error[E0505]: cannot move out of `x` because it is borrowed
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--> $DIR/borrow-tuple-fields.rs:12:13
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LL | let x: (Box<_>, _) = (Box::new(1), 2);
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| - binding `x` declared here
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LL | let r = &x.0;
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| ---- borrow of `x.0` occurs here
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LL | let y = x;
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| ^ move out of `x` occurs here
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LL |
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LL | r.use_ref();
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| - borrow later used here
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help: consider cloning the value if the performance cost is acceptable
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LL - let r = &x.0;
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LL + let r = x.0.clone();
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error[E0502]: cannot borrow `x.0` as mutable because it is also borrowed as immutable
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--> $DIR/borrow-tuple-fields.rs:18:13
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LL | let a = &x.0;
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| ---- immutable borrow occurs here
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LL | let b = &mut x.0;
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| ^^^^^^^^ mutable borrow occurs here
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LL | a.use_ref();
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| - immutable borrow later used here
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error[E0499]: cannot borrow `x.0` as mutable more than once at a time
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--> $DIR/borrow-tuple-fields.rs:23:13
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LL | let a = &mut x.0;
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| -------- first mutable borrow occurs here
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LL | let b = &mut x.0;
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| ^^^^^^^^ second mutable borrow occurs here
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LL | a.use_ref();
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| - first borrow later used here
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error[E0505]: cannot move out of `x` because it is borrowed
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--> $DIR/borrow-tuple-fields.rs:28:13
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LL | let x = Foo(Box::new(1), 2);
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| - binding `x` declared here
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LL | let r = &x.0;
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| ---- borrow of `x.0` occurs here
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LL | let y = x;
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| ^ move out of `x` occurs here
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LL | r.use_ref();
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| - borrow later used here
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help: consider cloning the value if the performance cost is acceptable
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LL - let r = &x.0;
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LL + let r = x.0.clone();
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error[E0502]: cannot borrow `x.0` as mutable because it is also borrowed as immutable
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--> $DIR/borrow-tuple-fields.rs:33:13
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LL | let a = &x.0;
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| ---- immutable borrow occurs here
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LL | let b = &mut x.0;
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| ^^^^^^^^ mutable borrow occurs here
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LL | a.use_ref();
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| - immutable borrow later used here
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error[E0499]: cannot borrow `x.0` as mutable more than once at a time
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--> $DIR/borrow-tuple-fields.rs:38:13
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LL | let a = &mut x.0;
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| -------- first mutable borrow occurs here
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LL | let b = &mut x.0;
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| ^^^^^^^^ second mutable borrow occurs here
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LL | a.use_mut();
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| - first borrow later used here
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error: aborting due to 6 previous errors
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Some errors have detailed explanations: E0499, E0502, E0505.
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For more information about an error, try `rustc --explain E0499`.
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