f6767f7a68
``` error[E0277]: the size for values of type `str` cannot be known at compilation time --> $DIR/unsized-str-in-return-expr-arg-and-local.rs:15:9 | LL | let x = *""; | ^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `str` = note: all local variables must have a statically known size = help: unsized locals are gated as an unstable feature help: references are always `Sized`, even if they point to unsized data; consider not dereferencing the expression | LL - let x = *""; LL + let x = ""; | ```
38 lines
1.6 KiB
Plaintext
38 lines
1.6 KiB
Plaintext
error[E0277]: the size for values of type `str` cannot be known at compilation time
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--> $DIR/dst-rvalue.rs:4:33
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LL | let _x: Box<str> = Box::new(*"hello world");
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| -------- ^^^^^^^^^^^^^^ doesn't have a size known at compile-time
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| required by a bound introduced by this call
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= help: the trait `Sized` is not implemented for `str`
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note: required by a bound in `Box::<T>::new`
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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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<str> = Box::new(*"hello world");
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LL + let _x: Box<str> = Box::new("hello world");
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error[E0277]: the size for values of type `[isize]` cannot be known at compilation time
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--> $DIR/dst-rvalue.rs:8:37
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LL | let _x: Box<[isize]> = Box::new(*array);
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| -------- ^^^^^^ doesn't have a size known at compile-time
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| required by a bound introduced by this call
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= help: the trait `Sized` is not implemented for `[isize]`
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note: required by a bound in `Box::<T>::new`
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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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<[isize]> = Box::new(*array);
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LL + let _x: Box<[isize]> = Box::new(array);
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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