error[E0446]: private type `foo::Priv` in public interface --> $DIR/private-in-public.rs:8:9 | LL | struct Priv; | - `foo::Priv` declared as private ... LL | pub(crate) fn g(_: Priv) {} //~ ERROR E0446 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type error[E0446]: private type `foo::Priv` in public interface --> $DIR/private-in-public.rs:9:9 | LL | struct Priv; | - `foo::Priv` declared as private ... LL | crate fn h(_: Priv) {} //~ ERROR E0446 | ^^^^^^^^^^^^^^^^^^^^^^ can't leak private type error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0446`.