// 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 or the MIT license // , 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() {}