37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
|
// 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() {}
|