| // 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 <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. |
| |
| #![feature(conservative_impl_trait)] |
| |
| fn func<'a, T>(a: &'a [T]) -> impl Iterator<Item=&'a T> { |
| a.iter().map(|a| a*a) |
| //~^ ERROR binary operation `*` cannot be applied to type `&T` |
| } |
| |
| fn main() { |
| let a = (0..30).collect::<Vec<_>>(); |
| |
| for k in func(&a) { |
| println!("{}", k); |
| } |
| } |
