src/test/compile-fail/issue-16747.rs

   1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 trait ListItem<'a> {
  12     fn list_name() -> &'a str;
  13 }
  14
  15 trait Collection { fn len(&self) -> usize; }
  16
  17 struct List<'a, T: ListItem<'a>> {
  18     slice: &'a [T]
  19 //~^ ERROR the parameter type `T` may not live long enough
  20 //~| HELP consider adding an explicit lifetime bound
  21 //~| NOTE ...so that the reference type `&'a [T]` does not outlive the data it points at
  22 //~| HELP run `rustc --explain E0309` to see a detailed explanation
  23 }
  24 impl<'a, T: ListItem<'a>> Collection for List<'a, T> {
  25     fn len(&self) -> usize {
  26         0
  27     }
  28 }
  29
  30 fn main() {}