| // 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 type Session = i32; |
| pub struct StreamParser<'a, T> { |
| _tokens: T, |
| _session: &'a mut Session, |
| } |
| |
| impl<'a, T> StreamParser<'a, T> { |
| pub fn thing(&mut self) -> bool { true } |
| } |
| |
| pub fn parse_stream<T: Iterator<Item=i32>, U, F>( |
| _session: &mut Session, _tokens: T, _f: F) -> U |
| where F: Fn(&mut StreamParser<T>) -> U { panic!(); } |
| |
| pub fn thing(session: &mut Session) { |
| let mut stream = vec!(1, 2, 3).into_iter(); |
| |
| let _b = parse_stream(session, |
| stream.by_ref(), |
| // replacing the above with the following fixes it |
| //&mut stream, |
| |p| p.thing()); |
| |
| } |
| |
| fn main() {} |
