mirror of https://github.com/rust-lang/rust
86 lines
3.0 KiB
Plaintext
86 lines
3.0 KiB
Plaintext
warning: the feature `unsized_locals` is incomplete and may not be safe to use and/or cause compiler crashes
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--> $DIR/borrow-after-move.rs:1:12
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LL | #![feature(unsized_locals, unsized_fn_params)]
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| ^^^^^^^^^^^^^^
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= note: see issue #48055 <https://github.com/rust-lang/rust/issues/48055> for more information
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= note: `#[warn(incomplete_features)]` on by default
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error[E0382]: borrow of moved value: `x`
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--> $DIR/borrow-after-move.rs:21:24
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LL | let y = *x;
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| -- value moved here
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LL | drop_unsized(y);
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LL | println!("{}", &x);
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| ^^ value borrowed here after move
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= note: move occurs because `*x` has type `str`, which does not implement the `Copy` trait
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error[E0382]: borrow of moved value: `y`
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--> $DIR/borrow-after-move.rs:23:24
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LL | let y = *x;
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| - move occurs because `y` has type `str`, which does not implement the `Copy` trait
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LL | drop_unsized(y);
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| - value moved here
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...
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LL | println!("{}", &y);
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| ^^ value borrowed here after move
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note: consider changing this parameter type in function `drop_unsized` to borrow instead if owning the value isn't necessary
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--> $DIR/borrow-after-move.rs:14:31
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LL | fn drop_unsized<T: ?Sized>(_: T) {}
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| ------------ ^ this parameter takes ownership of the value
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| |
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| in this function
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error[E0382]: borrow of moved value: `x`
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--> $DIR/borrow-after-move.rs:31:24
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LL | let y = *x;
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| -- value moved here
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LL | y.foo();
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LL | println!("{}", &x);
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| ^^ value borrowed here after move
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= note: move occurs because `*x` has type `str`, which does not implement the `Copy` trait
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error[E0382]: borrow of moved value: `y`
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--> $DIR/borrow-after-move.rs:33:24
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LL | let y = *x;
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| - move occurs because `y` has type `str`, which does not implement the `Copy` trait
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LL | y.foo();
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| ----- `y` moved due to this method call
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...
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LL | println!("{}", &y);
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| ^^ value borrowed here after move
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note: `Foo::foo` takes ownership of the receiver `self`, which moves `y`
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--> $DIR/borrow-after-move.rs:5:12
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LL | fn foo(self) -> String;
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| ^^^^
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error[E0382]: borrow of moved value: `x`
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--> $DIR/borrow-after-move.rs:40:24
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LL | let x = "hello".to_owned().into_boxed_str();
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| - move occurs because `x` has type `Box<str>`, which does not implement the `Copy` trait
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LL | x.foo();
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| - value moved here
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LL | println!("{}", &x);
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| ^^ value borrowed here after move
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help: consider cloning the value if the performance cost is acceptable
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LL | x.clone().foo();
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| ++++++++
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error: aborting due to 5 previous errors; 1 warning emitted
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For more information about this error, try `rustc --explain E0382`.
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