src/test/compile-fail/object-lifetime-default-from-rptr-struct-error.rs

   1 // Copyright 2015 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 // Test that the lifetime from the enclosing `&` is "inherited"
  12 // through the `MyBox` struct.
  13
  14 #![allow(dead_code)]
  15 #![feature(rustc_error)]
  16
  17 trait Test {
  18     fn foo(&self) { }
  19 }
  20
  21 struct SomeStruct<'a> {
  22     t: &'a MyBox<Test>,
  23     u: &'a MyBox<Test+'a>,
  24 }
  25
  26 struct MyBox<T:?Sized> {
  27     b: Box<T>
  28 }
  29
  30 fn c<'a>(t: &'a MyBox<Test+'a>, mut ss: SomeStruct<'a>) {
  31     ss.t = t; //~ ERROR mismatched types
  32 }
  33
  34 fn main() {
  35 }