| // 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. |
| |
| // A variant of traits-issue-23003 in which an infinite series of |
| // types are required. This test now just compiles fine, since the |
| // relevant rules that triggered the overflow were removed. |
| |
| #![feature(rustc_attrs)] |
| #![allow(dead_code)] |
| |
| use std::marker::PhantomData; |
| |
| trait Async { |
| type Cancel; |
| } |
| |
| struct Receipt<A:Async> { |
| marker: PhantomData<A>, |
| } |
| |
| struct Complete<B> { |
| core: Option<B>, |
| } |
| |
| impl<B> Async for Complete<B> { |
| type Cancel = Receipt<Complete<Option<B>>>; |
| } |
| |
| fn foo(_: Receipt<Complete<()>>) { } |
| |
| #[rustc_error] |
| fn main() { } //~ ERROR compilation successful |