1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Private types and traits are not allowed in public interfaces.
12 // This test also ensures that the checks are performed even inside private modules.
14 #![feature(associated_consts)]
15 #![feature(associated_type_defaults)]
24 pub const C: Priv = Priv; //~ ERROR private type in public interface
25 pub static S: Priv = Priv; //~ ERROR private type in public interface
26 pub fn f1(arg: Priv) {} //~ ERROR private type in public interface
27 pub fn f2() -> Priv { panic!() } //~ ERROR private type in public interface
28 pub struct S1(pub Priv); //~ ERROR private type in public interface
29 pub struct S2 { pub field: Priv } //~ ERROR private type in public interface
31 pub const C: Priv = Priv; //~ ERROR private type in public interface
32 pub fn f1(arg: Priv) {} //~ ERROR private type in public interface
33 pub fn f2() -> Priv { panic!() } //~ ERROR private type in public interface
42 pub enum E<T: PrivTr> { V(T) } //~ ERROR private trait in public interface
43 pub fn f<T: PrivTr>(arg: T) {} //~ ERROR private trait in public interface
44 pub struct S1<T: PrivTr>(T); //~ ERROR private trait in public interface
45 impl<T: PrivTr> Pub<T> {
46 pub fn f<U: PrivTr>(arg: U) {} //~ ERROR private trait in public interface
55 pub enum E<T> where T: PrivTr { V(T) } //~ ERROR private trait in public interface
56 pub fn f<T>(arg: T) where T: PrivTr {} //~ ERROR private trait in public interface
57 pub struct S1<T>(T) where T: PrivTr; //~ ERROR private trait in public interface
58 impl<T> Pub<T> where T: PrivTr {
59 pub fn f<U>(arg: U) where U: PrivTr {} //~ ERROR private trait in public interface
64 struct Priv<T = u8>(T);
65 pub struct Pub<T = u8>(T);
69 pub fn f1(arg: [Priv; 1]) {} //~ ERROR private type in public interface
70 pub fn f2(arg: Pub<Priv>) {} //~ ERROR private type in public interface
71 pub fn f3(arg: Priv<Pub>) {} //~ ERROR private type in public interface
85 pub fn f(arg: Priv) {} //~ ERROR private type in public interface
95 pub trait PubTr<T = u8> {
100 use self::m::Pub1 as PrivUseAlias;
101 use self::m::PubTr as PrivUseAliasTr;
102 type PrivAlias = m::Pub2;
104 type AssocAlias = m::Pub3;
106 impl PrivTr for Priv {}
108 // This should be OK, but associated type aliases are not substituted yet
109 pub fn f3(arg: <Priv as PrivTr>::AssocAlias) {} //~ ERROR private type in public interface
112 pub fn f(arg: Priv) {} //~ ERROR private type in public interface
122 trait PrivTr1<T = u8> {
126 use self::Priv1 as PrivUseAlias;
127 use self::PrivTr1 as PrivUseAliasTr;
128 type PrivAlias = Priv2;
130 type AssocAlias = Priv3;
132 impl PrivTr for Priv {}
134 pub fn f1(arg: PrivUseAlias) {} //~ ERROR private type in public interface
135 pub fn f2(arg: PrivAlias) {} //~ ERROR private type in public interface
136 pub fn f3(arg: <Priv as PrivTr>::AssocAlias) {} //~ ERROR private type in public interface
141 type PrivAliasGeneric<T = Priv> = T;
142 type Result<T> = ::std::result::Result<T, Priv>;
144 pub fn f2(arg: PrivAliasGeneric) {} //~ ERROR private type in public interface
145 pub fn f3(arg: Result<u8>) {} //~ ERROR private type in public interface