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
|
fn test1() {
// In this test the outer 'a loop may terminate without `x` getting initialised. Although the
// `x = loop { ... }` statement is reached, the value itself ends up never being computed and
// thus leaving `x` uninit.
let x: i32;
'a: loop {
x = loop { break 'a };
}
println!("{:?}", x); //~ ERROR E0381
}
// test2 and test3 should not fail.
fn test2() {
// In this test the `'a` loop will never terminate thus making the use of `x` unreachable.
let x: i32;
'a: loop {
x = loop { continue 'a };
}
println!("{:?}", x);
}
fn test3() {
let x: i32;
// Similarly, the use of variable `x` is unreachable.
'a: loop {
x = loop { return };
}
println!("{:?}", x);
}
fn main() {
}
|
