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error[E0416]: identifier `tail` is bound more than once in the same pattern
--> $DIR/subslice-only-once-semantic-restriction.rs:4:24
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LL | [1, tail @ .., tail @ ..] => {},
| ^^^^ used in a pattern more than once
error: `..` can only be used once per slice pattern
--> $DIR/subslice-only-once-semantic-restriction.rs:4:31
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LL | [1, tail @ .., tail @ ..] => {},
| -- ^^ can only be used once per slice pattern
| |
| previously used here
error[E0308]: mismatched types
--> $DIR/subslice-only-once-semantic-restriction.rs:11:30
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LL | const RECOVERY_WITNESS: () = 0;
| ^ expected `()`, found integer
error: aborting due to 3 previous errors
Some errors have detailed explanations: E0308, E0416.
For more information about an error, try `rustc --explain E0308`.
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