error[E0769]: tuple variant `MyOption::MySome` written as struct variant --> $DIR/issue-17800.rs:8:9 | LL | MyOption::MySome { x: 42 } => (), | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: use the tuple variant pattern syntax instead | LL | MyOption::MySome(42) => (), | ~~~~ error: aborting due to previous error For more information about this error, try `rustc --explain E0769`.