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