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warning: to use a constant of type `E` in a pattern, `E` must be annotated with `#[derive(PartialEq, Eq)]`
--> $DIR/incomplete-slice.rs:11:9
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LL | E_SL => {}
| ^^^^
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
= note: `#[warn(indirect_structural_match)]` on by default
error[E0004]: non-exhaustive patterns: `&_` not covered
--> $DIR/incomplete-slice.rs:9:11
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LL | match &[][..] {
| ^^^^^^^ pattern `&_` not covered
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= note: the matched value is of type `&[E]`
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
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LL ~ E_SL => {}
LL + &_ => todo!()
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error: aborting due to previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0004`.
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