1 // Copyright 2017 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.
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.
11 fn prove_static<T: 'static + ?Sized>(_: &'static T) {}
13 fn lifetime_transmute_slice<'a, T: ?Sized>(x: &'a T, y: &T) -> &'a T {
16 let slice: &mut [_] = &mut out;
20 //~^ ERROR 19:5: 19:11: explicit lifetime required in the type of `y` [E0621]
23 struct Struct<T, U: ?Sized> {
28 fn lifetime_transmute_struct<'a, T: ?Sized>(x: &'a T, y: &T) -> &'a T {
29 let mut out = Struct { head: x, _tail: [()] };
31 let dst: &mut Struct<_, [()]> = &mut out;
35 //~^ ERROR 34:5: 34:13: explicit lifetime required in the type of `y` [E0621]
39 prove_static(lifetime_transmute_slice("", &String::from("foo")));
40 prove_static(lifetime_transmute_struct("", &String::from("bar")));