blob: 0a562a0a1bcffbfef4d6de08a97f5aae8fc3504f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// Test closure that:
//
// - captures a variable `y` by reference
// - stores that reference to `y` into another, longer-lived place (`p`)
//
// Both of these are upvars of reference type (the capture of `y` is
// of type `&'a i32`, the capture of `p` is of type `&mut &'b
// i32`). The closure thus computes a relationship between `'a` and
// `'b`. This relationship is propagated to the closure creator,
// which reports an error.
// compile-flags:-Zverbose
#![feature(rustc_attrs)]
#[rustc_regions]
fn test() {
let x = 44;
let mut p = &x;
{
let y = 22;
let mut closure = || p = &y;
//~^ ERROR `y` does not live long enough [E0597]
closure();
}
deref(p);
}
fn deref(_p: &i32) { }
fn main() { }
|