error[E0599]: no associated item named `NotEvenReal` found for struct `Foo` in the current scope --> $DIR/E0599.rs:4:20 | LL | struct Foo; | ---------- associated item `NotEvenReal` not found for this struct ... LL | || if let Foo::NotEvenReal() = Foo {}; | ^^^^^^^^^^^ associated item not found in `Foo` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0599`.