error[E0516]: `typeof` is a reserved keyword but unimplemented --> $DIR/issue-102986.rs:2:9 | LL | y: (typeof("hey"),), | ^^^^^^^^^^^^^ reserved keyword | help: consider replacing `typeof(...)` with an actual type | LL | y: (&str,), | ~~~~ error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0516`.