error: expected a pattern, found an expression --> $DIR/pat-lt-bracket-5.rs:2:9 | LL | let v[0] = v[1]; | ^^^^ arbitrary expressions are not allowed in patterns error[E0425]: cannot find value `v` in this scope --> $DIR/pat-lt-bracket-5.rs:2:16 | LL | let v[0] = v[1]; | ^ not found in this scope error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0425`.