| // Copyright 2012 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. |
| |
| // Test various ways to construct a pointer with a longer lifetime |
| // than the thing it points at and ensure that they result in |
| // errors. See also regions-free-region-ordering-callee.rs |
| |
| struct Paramd<'a> { x: &'a usize } |
| |
| fn call2<'a, 'b>(a: &'a usize, b: &'b usize) { |
| let z: Option<&'b &'a usize> = None; |
| //~^ ERROR reference has a longer lifetime than the data it references |
| } |
| |
| fn call3<'a, 'b>(a: &'a usize, b: &'b usize) { |
| let y: Paramd<'a> = Paramd { x: a }; |
| let z: Option<&'b Paramd<'a>> = None; |
| //~^ ERROR reference has a longer lifetime than the data it references |
| } |
| |
| fn call4<'a, 'b>(a: &'a usize, b: &'b usize) { |
| let z: Option<&'a &'b usize> = None; |
| //~^ ERROR reference has a longer lifetime than the data it references |
| } |
| |
| |
| fn main() {} |