error[E0603]: enum `Bar` is private
  --> $DIR/struct-variant-privacy.rs:16:9
   |
LL | fn f(b: foo::Bar) { //~ ERROR enum `Bar` is private
   |         ^^^^^^^^

error[E0603]: enum `Bar` is private
  --> $DIR/struct-variant-privacy.rs:18:9
   |
LL |         foo::Bar::Baz { a: _a } => {} //~ ERROR enum `Bar` is private
   |         ^^^^^^^^^^^^^

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0603`.