| // Test that NLL analysis propagates lifetimes correctly through | |
| // field accesses, Box accesses, etc. | |
| #![feature(nll)] | |
| fn foo(s: &mut (i32,)) -> i32 { | |
| let t = &mut *s; // this borrow should last for the entire function | |
| let x = &t.0; | |
| *s = (2,); //~ ERROR cannot assign to `*s` | |
| *x | |
| } | |
| fn bar(s: &Box<(i32,)>) -> &'static i32 { | |
| // FIXME(#46983): error message should be better | |
| &s.0 //~ ERROR explicit lifetime required in the type of `s` [E0621] | |
| } | |
| fn main() { | |
| foo(&mut (0,)); | |
| bar(&Box::new((1,))); | |
| } |