warning: private type `PrivTy` in public interface (error E0446)
  --> $DIR/where-priv-type.rs:19:1
   |
LL | pub struct S
   | ^^^^^^^^^^^^
   |
   = note: `#[warn(private_in_public)]` on by default
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>

warning: private type `PrivTy` in public interface (error E0446)
  --> $DIR/where-priv-type.rs:27:1
   |
LL | pub enum E
   | ^^^^^^^^^^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>

warning: private type `PrivTy` in public interface (error E0446)
  --> $DIR/where-priv-type.rs:35:1
   |
LL | / pub fn f()
LL | |
LL | |
LL | | where
LL | |     PrivTy:
   | |___________^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>

error[E0446]: private type `PrivTy` in public interface
  --> $DIR/where-priv-type.rs:43:1
   |
LL | struct PrivTy;
   | ------------- `PrivTy` declared as private
...
LL | impl S
   | ^^^^^^ can't leak private type

warning: private type `PrivTy` in public interface (error E0446)
  --> $DIR/where-priv-type.rs:48:5
   |
LL | /     pub fn f()
LL | |
LL | |
LL | |     where
LL | |         PrivTy:
   | |_______________^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>

error[E0446]: private type `fn(u8) -> u8 {my_const_fn}` in public interface
  --> $DIR/where-priv-type.rs:80:5
   |
LL |     type AssocTy = Const<{ my_const_fn(U) }>;
   |     ^^^^^^^^^^^^ can't leak private type
...
LL | const fn my_const_fn(val: u8) -> u8 {
   | ----------------------------------- `fn(u8) -> u8 {my_const_fn}` declared as private

error: aborting due to 2 previous errors; 4 warnings emitted

For more information about this error, try `rustc --explain E0446`.