46 lines
1.0 KiB
Rust
46 lines
1.0 KiB
Rust
// Copyright 2016 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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pub use inner::C;
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mod inner {
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trait A {
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fn a(&self) { }
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}
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pub trait B {
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fn b(&self) { }
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}
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pub trait C: A + B { //~ ERROR private trait in public interface
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//~^ WARN will become a hard error
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fn c(&self) { }
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}
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impl A for i32 {}
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impl B for i32 {}
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impl C for i32 {}
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}
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fn main() {
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// A is private
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// B is pub, not reexported
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// C : A + B is pub, reexported
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// 0.a(); // can't call
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// 0.b(); // can't call
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0.c(); // ok
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C::a(&0); // can call
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C::b(&0); // can call
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C::c(&0); // ok
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}
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