// Copyright 2016 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. pub use inner::C; mod inner { trait A { fn a(&self) { } } pub trait B { fn b(&self) { } } pub trait C: A + B { //~ ERROR private trait in public interface //~^ WARN will become a hard error fn c(&self) { } } impl A for i32 {} impl B for i32 {} impl C for i32 {} } fn main() { // A is private // B is pub, not reexported // C : A + B is pub, reexported // 0.a(); // can't call // 0.b(); // can't call 0.c(); // ok C::a(&0); // can call C::b(&0); // can call C::c(&0); // ok }