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46 lines
2.0 KiB
Plaintext
46 lines
2.0 KiB
Plaintext
error[E0277]: the size for values of type `[char]` cannot be known at compilation time
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--> $DIR/autoderef.rs:26:9
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LL | let x = *(Box::new(['h', 'e', 'l', 'l', 'o']) as Box<[char]>);
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| ^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `[char]`
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= note: all local variables must have a statically known size
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help: references are always `Sized`, even if they point to unsized data; consider not dereferencing the expression
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LL - let x = *(Box::new(['h', 'e', 'l', 'l', 'o']) as Box<[char]>);
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LL + let x = (Box::new(['h', 'e', 'l', 'l', 'o']) as Box<[char]>);
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error[E0277]: the size for values of type `str` cannot be known at compilation time
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--> $DIR/autoderef.rs:35:9
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LL | let x = *("hello".to_owned().into_boxed_str());
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| ^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `str`
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= note: all local variables must have a statically known size
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help: references are always `Sized`, even if they point to unsized data; consider not dereferencing the expression
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LL - let x = *("hello".to_owned().into_boxed_str());
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LL + let x = ("hello".to_owned().into_boxed_str());
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error[E0277]: the size for values of type `dyn FnMut() -> String` cannot be known at compilation time
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--> $DIR/autoderef.rs:41:9
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LL | let x = *(Box::new(|| "hello".to_owned()) as Box<dyn FnMut() -> String>);
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| ^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `dyn FnMut() -> String`
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= note: all local variables must have a statically known size
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help: references are always `Sized`, even if they point to unsized data; consider not dereferencing the expression
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LL - let x = *(Box::new(|| "hello".to_owned()) as Box<dyn FnMut() -> String>);
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LL + let x = (Box::new(|| "hello".to_owned()) as Box<dyn FnMut() -> String>);
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0277`.
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