// priv-in-pub lint tests where the private type appears in the
// `where` clause of a public item

#![crate_type = "lib"]
#![feature(generic_const_exprs)]
#![allow(incomplete_features)]


struct PrivTy;
trait PrivTr {}
pub struct PubTy;
pub struct PubTyGeneric<T>(T);
pub trait PubTr {}
impl PubTr for PrivTy {}
pub trait PubTrWithAssocTy { type AssocTy; }
impl PubTrWithAssocTy for PrivTy { type AssocTy = PrivTy; }


pub struct S
//~^ WARNING private type `PrivTy` in public interface
//~| WARNING hard error
where
    PrivTy:
{}


pub enum E
//~^ WARNING private type `PrivTy` in public interface
//~| WARNING hard error
where
    PrivTy:
{}


pub fn f()
//~^ WARNING private type `PrivTy` in public interface
//~| WARNING hard error
where
    PrivTy:
{}


impl S
//~^ ERROR private type `PrivTy` in public interface
where
    PrivTy:
{
    pub fn f()
    //~^ WARNING private type `PrivTy` in public interface
    //~| WARNING hard error
    where
        PrivTy:
    {}
}


impl PubTr for PubTy
where
    PrivTy:
{}


impl<T> PubTr for PubTyGeneric<T>
where
    T: PubTrWithAssocTy<AssocTy=PrivTy>
{}


pub struct Const<const U: u8>;

pub trait Trait {
    type AssocTy;
    fn assoc_fn() -> Self::AssocTy;
}

impl<const U: u8> Trait for Const<U>
where
    Const<{ my_const_fn(U) }>: ,
{
    type AssocTy = Const<{ my_const_fn(U) }>;
    //~^ ERROR private type
    fn assoc_fn() -> Self::AssocTy {
        Const
    }
}

const fn my_const_fn(val: u8) -> u8 {
    // body of this function doesn't matter
    val
}