| // Copyright 2017 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. |
| |
| // Private types and traits are not allowed in interfaces of associated types. |
| // This test also ensures that the checks are performed even inside private modules. |
| |
| #![feature(associated_type_defaults)] |
| |
| mod m { |
| struct Priv; |
| trait PrivTr {} |
| impl PrivTr for Priv {} |
| pub trait PubTrAux1<T> {} |
| pub trait PubTrAux2 { type A; } |
| |
| // "Private-in-public in associated types is hard error" in RFC 2145 |
| // applies only to the aliased types, not bounds. |
| pub trait PubTr { |
| //~^ WARN private trait `m::PrivTr` in public interface |
| //~| WARN this was previously accepted |
| //~| WARN private type `m::Priv` in public interface |
| //~| WARN this was previously accepted |
| type Alias1: PrivTr; |
| type Alias2: PubTrAux1<Priv> = u8; |
| type Alias3: PubTrAux2<A = Priv> = u8; |
| |
| type Alias4 = Priv; |
| //~^ ERROR private type `m::Priv` in public interface |
| } |
| impl PubTr for u8 { |
| type Alias1 = Priv; |
| //~^ ERROR private type `m::Priv` in public interface |
| } |
| } |
| |
| fn main() {} |