src/test/compile-fail/issue-22912.rs


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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

pub struct PublicType;
struct PrivateType;

pub trait PublicTrait {
    type Item;
}

trait PrivateTrait {
    type Item;
}

impl PublicTrait for PublicType {
    type Item = PrivateType;  //~ ERROR private type in exported type signature
}

// OK
impl PublicTrait for PrivateType {
    type Item = PrivateType;
}

// OK
impl PrivateTrait for PublicType {
    type Item = PrivateType;
}

// OK
impl PrivateTrait for PrivateType {
    type Item = PrivateType;
}

fn main() {}