projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 2c00a5a8 XL |
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. | |
| 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 NLL analysis propagates lifetimes correctly through | |
| 12 | // field accesses, Box accesses, etc. | |
| 13 | ||
| 14 | #![feature(nll)] | |
| 15 | ||
| 16 | fn foo(s: &mut (i32,)) -> i32 { | |
| 17 | let t = &mut *s; // this borrow should last for the entire function | |
| 18 | let x = &t.0; | |
| 19 | *s = (2,); //~ ERROR cannot assign to `*s` | |
| 20 | *x | |
| 21 | } | |
| 22 | ||
| 23 | fn bar(s: &Box<(i32,)>) -> &'static i32 { | |
| 24 | // FIXME(#46983): error message should be better | |
| 25 | &s.0 //~ ERROR explicit lifetime required in the type of `s` [E0621] | |
| 26 | } | |
| 27 | ||
| 28 | fn main() { | |
| 29 | foo(&mut (0,)); | |
| 30 | bar(&Box::new((1,))); | |
| 31 | } |