[rustc.git] / src / test / compile-fail / issue-20825.rs

// Copyright 2015 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

pub trait Subscriber {
    type Input;
}

pub trait Processor: Subscriber<Input = Self::Input> {
    //~^ ERROR unsupported cyclic reference between types/traits detected [E0391]
    type Input;
}

fn main() {}
Commit	Line	Data
1a4d82fc	1	// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
223e47cc LB	2	// file at the top-level directory of this distribution and at
	3	// http://rust-lang.org/COPYRIGHT.
	4	//
	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.
	10
c1a9b12d SL	11	pub trait Subscriber {
	12	type Input;
	13	}
85aaf69f	14
c1a9b12d SL	15	pub trait Processor: Subscriber<Input = Self::Input> {
	16	//~^ ERROR unsupported cyclic reference between types/traits detected [E0391]
	17	type Input;
	18	}
223e47cc	19
d9579d0f	20	fn main() {}