1 fn id<T>(x: T) -> T { x }
4 let old = ['o']; // statement 0
5 let mut v1 = Vec::new(); // statement 1
7 let mut v2 = Vec::new(); // statement 2
10 let young = ['y']; // statement 3
12 v2.push(&young[0]); // statement 4
13 //~^ ERROR `young[_]` does not live long enough
14 //~| NOTE borrowed value does not live long enough
15 } //~ NOTE `young[_]` dropped here while still borrowed
17 let mut v3 = Vec::new(); // statement 5
19 v3.push(&id('x')); // statement 6
20 //~^ ERROR temporary value dropped while borrowed
21 //~| NOTE creates a temporary which is freed while still in use
22 //~| NOTE temporary value is freed at the end of this statement
23 //~| HELP consider using a `let` binding to create a longer lived value
27 let mut v4 = Vec::new(); // (sub) statement 0
30 //~^ ERROR temporary value dropped while borrowed
31 //~| NOTE creates a temporary which is freed while still in use
32 //~| NOTE temporary value is freed at the end of this statement
33 //~| NOTE consider using a `let` binding to create a longer lived value
35 //~^ NOTE borrow later used here
38 let mut v5 = Vec::new(); // statement 8
41 //~^ ERROR temporary value dropped while borrowed
42 //~| NOTE creates a temporary which is freed while still in use
43 //~| NOTE temporary value is freed at the end of this statement
44 //~| HELP consider using a `let` binding to create a longer lived value
48 (v1, v2, v3, /* v4 is above. */ v5).use_ref();
49 //~^ NOTE borrow later used here
50 //~| NOTE borrow later used here
51 //~| NOTE borrow later used here
58 trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }
59 impl<T> Fake for T { }