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error[E0605]: non-primitive cast: `&&[i32; 1]` as `&[_]`
--> $DIR/issue-73886.rs:2:13
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LL | let _ = &&[0] as &[_];
| ^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
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= note: casting reference expression `&&[0]` because `&` binds tighter than `as`
error[E0605]: non-primitive cast: `u32` as `Option<_>`
--> $DIR/issue-73886.rs:4:13
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LL | let _ = 7u32 as Option<_>;
| ^^^^^^^^^^^^^^^^^ 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<_>;
LL + let _ = Option::<_>::from(7u32);
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error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0605`.
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