291 lines
8.3 KiB
Rust
291 lines
8.3 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Private types and traits are not allowed in public interfaces.
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// This test also ensures that the checks are performed even inside private modules.
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#![feature(associated_consts)]
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#![feature(associated_type_defaults)]
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#![allow(dead_code)]
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#![allow(unused_variables)]
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#![allow(improper_ctypes)]
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mod types {
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struct Priv;
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pub struct Pub;
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pub trait PubTr {
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type Alias;
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}
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pub type Alias = Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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pub enum E {
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V1(Priv), //~ ERROR private type in public interface
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//~^ WARNING hard error
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V2 { field: Priv }, //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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pub trait Tr {
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const C: Priv = Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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type Alias = Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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fn f1(arg: Priv) {} //~ ERROR private type in public interface
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//~^ WARNING hard error
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fn f2() -> Priv { panic!() } //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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extern {
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pub static ES: Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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pub fn ef1(arg: Priv); //~ ERROR private type in public interface
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//~^ WARNING hard error
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pub fn ef2() -> Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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impl PubTr for Pub {
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type Alias = Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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}
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mod traits {
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trait PrivTr {}
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pub struct Pub<T>(T);
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pub trait PubTr {}
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pub type Alias<T: PrivTr> = T; //~ ERROR private trait in public interface
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//~^ WARN trait bounds are not (yet) enforced in type definitions
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//~| WARNING hard error
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pub trait Tr1: PrivTr {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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pub trait Tr2<T: PrivTr> {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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pub trait Tr3 {
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type Alias: PrivTr; //~ ERROR private trait in public interface
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//~^ WARNING hard error
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fn f<T: PrivTr>(arg: T) {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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}
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impl<T: PrivTr> Pub<T> {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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impl<T: PrivTr> PubTr for Pub<T> {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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}
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mod traits_where {
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trait PrivTr {}
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pub struct Pub<T>(T);
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pub trait PubTr {}
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pub type Alias<T> where T: PrivTr = T; //~ ERROR private trait in public interface
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//~^ WARNING hard error
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pub trait Tr2<T> where T: PrivTr {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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pub trait Tr3 {
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fn f<T>(arg: T) where T: PrivTr {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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}
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impl<T> Pub<T> where T: PrivTr {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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impl<T> PubTr for Pub<T> where T: PrivTr {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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}
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mod generics {
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struct Priv<T = u8>(T);
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pub struct Pub<T = u8>(T);
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trait PrivTr<T> {}
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pub trait PubTr<T> {}
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pub trait Tr1: PrivTr<Pub> {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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pub trait Tr2: PubTr<Priv> {} //~ ERROR private type in public interface
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//~^ WARNING hard error
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pub trait Tr3: PubTr<[Priv; 1]> {} //~ ERROR private type in public interface
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//~^ WARNING hard error
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pub trait Tr4: PubTr<Pub<Priv>> {} //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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mod impls {
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struct Priv;
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pub struct Pub;
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trait PrivTr {
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type Alias;
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}
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pub trait PubTr {
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type Alias;
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}
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impl Priv {
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pub fn f(arg: Priv) {} // OK
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}
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impl PrivTr for Priv {
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type Alias = Priv; // OK
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}
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impl PubTr for Priv {
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type Alias = Priv; // OK
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}
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impl PrivTr for Pub {
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type Alias = Priv; // OK
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}
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impl PubTr for Pub {
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type Alias = Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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}
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mod impls_generics {
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struct Priv<T = u8>(T);
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pub struct Pub<T = u8>(T);
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trait PrivTr<T = u8> {
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type Alias;
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}
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pub trait PubTr<T = u8> {
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type Alias;
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}
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impl Priv<Pub> {
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pub fn f(arg: Priv) {} // OK
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}
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impl Pub<Priv> {
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pub fn f(arg: Priv) {} // OK
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}
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impl PrivTr<Pub> for Priv {
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type Alias = Priv; // OK
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}
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impl PubTr<Priv> for Priv {
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type Alias = Priv; // OK
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}
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impl PubTr for Priv<Pub> {
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type Alias = Priv; // OK
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}
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impl PubTr for [Priv; 1] {
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type Alias = Priv; // OK
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}
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impl PubTr for Pub<Priv> {
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type Alias = Priv; // OK
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}
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impl PrivTr<Pub> for Pub {
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type Alias = Priv; // OK
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}
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impl PubTr<Priv> for Pub {
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type Alias = Priv; // OK
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}
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}
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mod aliases_pub {
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struct Priv;
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mod m {
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pub struct Pub1;
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pub struct Pub2;
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pub struct Pub3;
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pub trait PubTr<T = u8> {
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type Check = u8;
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}
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}
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use self::m::Pub1 as PrivUseAlias;
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use self::m::PubTr as PrivUseAliasTr;
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type PrivAlias = m::Pub2;
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trait PrivTr {
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type AssocAlias;
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}
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impl PrivTr for Priv {
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type AssocAlias = m::Pub3;
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}
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pub fn f1(arg: PrivUseAlias) {} // OK
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pub fn f2(arg: PrivAlias) {} // OK
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pub trait Tr1: PrivUseAliasTr {} // OK
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pub trait Tr2: PrivUseAliasTr<PrivAlias> {} // OK
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impl PrivAlias {
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pub fn f(arg: Priv) {} //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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// This doesn't even parse
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// impl <Priv as PrivTr>::AssocAlias {
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// pub fn f(arg: Priv) {} // ERROR private type in public interface
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// }
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impl PrivUseAliasTr for PrivUseAlias {
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type Check = Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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impl PrivUseAliasTr for PrivAlias {
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type Check = Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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impl PrivUseAliasTr for <Priv as PrivTr>::AssocAlias {
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type Check = Priv; //~ ERROR private type in public interface
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//~^ WARNING hard error
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}
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}
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mod aliases_priv {
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struct Priv;
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struct Priv1;
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struct Priv2;
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struct Priv3;
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trait PrivTr1<T = u8> {
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type Check = u8;
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}
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use self::Priv1 as PrivUseAlias;
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use self::PrivTr1 as PrivUseAliasTr;
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type PrivAlias = Priv2;
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trait PrivTr {
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type AssocAlias;
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}
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impl PrivTr for Priv {
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type AssocAlias = Priv3;
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}
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pub trait Tr1: PrivUseAliasTr {} //~ ERROR private trait in public interface
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//~^ WARNING hard error
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pub trait Tr2: PrivUseAliasTr<PrivAlias> {} //~ ERROR private trait in public interface
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//~^ ERROR private type in public interface
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//~| WARNING hard error
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//~| WARNING hard error
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impl PrivUseAlias {
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pub fn f(arg: Priv) {} // OK
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}
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impl PrivAlias {
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pub fn f(arg: Priv) {} // OK
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}
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// This doesn't even parse
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// impl <Priv as PrivTr>::AssocAlias {
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// pub fn f(arg: Priv) {} // OK
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// }
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impl PrivUseAliasTr for PrivUseAlias {
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type Check = Priv; // OK
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}
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impl PrivUseAliasTr for PrivAlias {
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type Check = Priv; // OK
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}
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impl PrivUseAliasTr for <Priv as PrivTr>::AssocAlias {
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type Check = Priv; // OK
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}
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}
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mod aliases_params {
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struct Priv;
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type PrivAliasGeneric<T = Priv> = T;
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type Result<T> = ::std::result::Result<T, Priv>;
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pub fn f1(arg: PrivAliasGeneric<u8>) {} // OK, not an error
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}
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fn main() {}
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