| // Copyright 2014 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. |
| |
| trait ListItem<'a> { |
| fn list_name() -> &'a str; |
| } |
| |
| trait Collection { fn len(&self) -> usize; } |
| |
| struct List<'a, T: ListItem<'a>> { |
| slice: &'a [T] |
| //~^ ERROR the parameter type `T` may not live long enough |
| //~| HELP consider adding an explicit lifetime bound |
| //~| NOTE ...so that the reference type `&'a [T]` does not outlive the data it points at |
| } |
| impl<'a, T: ListItem<'a>> Collection for List<'a, T> { |
| fn len(&self) -> usize { |
| 0 |
| } |
| } |
| |
| fn main() {} |
