error: expected one of `(`, `+`, `,`, `::`, `<`, `=`, or `>`, found `Debug` --> $DIR/impl-trait.rs:1:18 | LL | fn code() -> u8 {} | ^^^^^ expected one of 7 possible tokens | help: there is a keyword `impl` with a similar name | LL | fn code() -> u8 {} | ~~~~ help: you might have meant to end the type parameters here | LL | fn code Debug>() -> u8 {} | + error: aborting due to 1 previous error