| // 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. |
| |
| // Attempt to extend the lifetime as well as unsizing. |
| |
| #![feature(unsized_tuple_coercion)] |
| |
| struct Fat<T: ?Sized> { |
| ptr: T |
| } |
| |
| struct Foo; |
| trait Bar { fn bar(&self) {} } |
| impl Bar for Foo {} |
| |
| fn baz<'a>() { |
| // With a vec of ints. |
| let f1 = Fat { ptr: [1, 2, 3] }; |
| let f2: &Fat<[isize; 3]> = &f1; //~ ERROR `f1` does not live long enough |
| let f3: &'a Fat<[isize]> = f2; |
| |
| // With a trait. |
| let f1 = Fat { ptr: Foo }; |
| let f2: &Fat<Foo> = &f1; //~ ERROR `f1` does not live long enough |
| let f3: &'a Fat<Bar> = f2; |
| |
| // Tuple with a vec of ints. |
| let f1 = ([1, 2, 3],); |
| let f2: &([isize; 3],) = &f1; //~ ERROR `f1` does not live long enough |
| let f3: &'a ([isize],) = f2; |
| |
| // Tuple with a trait. |
| let f1 = (Foo,); |
| let f2: &(Foo,) = &f1; //~ ERROR `f1` does not live long enough |
| let f3: &'a (Bar,) = f2; |
| } |
| |
| pub fn main() { |
| baz(); |
| } |