error: expected a pattern, found an expression --> $DIR/pat-lt-bracket-6.rs:5:14 | LL | let Test(&desc[..]) = x; | ^^^^^^^^^ not a pattern | = note: arbitrary expressions are not allowed in patterns: error[E0308]: mismatched types --> $DIR/pat-lt-bracket-6.rs:10:30 | LL | const RECOVERY_WITNESS: () = 0; | ^ expected `()`, found integer error[E0023]: this pattern has 1 field, but the corresponding tuple struct has 2 fields --> $DIR/pat-lt-bracket-6.rs:5:14 | LL | struct Test(&'static u8, [u8; 0]); | ----------- ------- tuple struct has 2 fields ... LL | let Test(&desc[..]) = x; | ^^^^^^^^^ expected 2 fields, found 1 | help: use `_` to explicitly ignore each field | LL | let Test(&desc[..], _) = x; | +++ error: aborting due to 3 previous errors Some errors have detailed explanations: E0023, E0308. For more information about an error, try `rustc --explain E0023`.