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
34
35
36
37
38
39
40
41
42
43
44
45
46
|
warning: denote infinite loops with `loop { ... }`
--> $DIR/liveness-move-in-while.rs:8:9
|
LL | while true { while true { while true { x = y; x.clone(); } } }
| ^^^^^^^^^^ help: use `loop`
|
= note: `#[warn(while_true)]` on by default
warning: denote infinite loops with `loop { ... }`
--> $DIR/liveness-move-in-while.rs:8:22
|
LL | while true { while true { while true { x = y; x.clone(); } } }
| ^^^^^^^^^^ help: use `loop`
warning: denote infinite loops with `loop { ... }`
--> $DIR/liveness-move-in-while.rs:8:35
|
LL | while true { while true { while true { x = y; x.clone(); } } }
| ^^^^^^^^^^ help: use `loop`
error[E0382]: borrow of moved value: `y`
--> $DIR/liveness-move-in-while.rs:7:24
|
LL | let y: Box<isize> = 42.into();
| - move occurs because `y` has type `Box<isize>`, which does not implement the `Copy` trait
...
LL | loop {
| ---- inside of this loop
LL | println!("{}", y);
| ^ value borrowed here after move
LL | while true { while true { while true { x = y; x.clone(); } } }
| ---------- ---------- ---------- - value moved here, in previous iteration of loop
| | | |
| | | inside of this loop
| | inside of this loop
| inside of this loop
|
= note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider cloning the value if the performance cost is acceptable
|
LL | while true { while true { while true { x = y.clone(); x.clone(); } } }
| ++++++++
error: aborting due to 1 previous error; 3 warnings emitted
For more information about this error, try `rustc --explain E0382`.
|
