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```
error[E0604]: only `u8` can be cast as `char`, not `u32`
--> $DIR/E0604.rs:2:5
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LL | 1u32 as char;
| ^^^^^^^^^^^^ invalid cast
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help: try `char::from_u32` instead
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LL - 1u32 as char;
LL + char::from_u32(1u32);
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```
```
error[E0620]: cast to unsized type: `&[u8]` as `[char]`
--> $DIR/cast-to-slice.rs:6:5
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LL | arr as [char];
| ^^^^^^^^^^^^^
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help: try casting to a reference instead
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LL | arr as &[char];
| +
```
```
error[E0620]: cast to unsized type: `Box<{integer}>` as `dyn Send`
--> $DIR/cast-to-unsized-trait-object-suggestion.rs:3:5
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LL | Box::new(1) as dyn Send;
| ^^^^^^^^^^^^^^^^^^^^^^^
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help: you can cast to a `Box` instead
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LL | Box::new(1) as Box<dyn Send>;
| ++++ +
```
28 lines
984 B
Plaintext
28 lines
984 B
Plaintext
error[E0605]: non-primitive cast: `u32` as `Option<_>`
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--> $DIR/non-primitive-cast-135412.rs:6:13
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LL | let _ = 7u32 as Option<_>;
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| ^^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
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help: consider using the `From` trait instead
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LL - let _ = 7u32 as Option<_>;
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LL + let _ = Option::<_>::from(7u32);
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error[E0605]: non-primitive cast: `&'static str` as `Arc<str>`
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--> $DIR/non-primitive-cast-135412.rs:8:13
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LL | let _ = "String" as Arc<str>;
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| ^^^^^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
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help: consider using the `From` trait instead
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LL - let _ = "String" as Arc<str>;
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LL + let _ = Arc::<str>::from("String");
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0605`.
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