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[rust.git] / src / test / ui / rfc-2091-track-caller / const-caller-location.rs
1 // run-pass
2
3 #![feature(const_caller_location, const_fn)]
4
5 use std::panic::Location;
6
7 const LOCATION: &Location = Location::caller();
8
9 const TRACKED: &Location = tracked();
10 #[track_caller]
11 const fn tracked() -> &'static Location <'static> {
12     Location::caller()
13 }
14
15 const NESTED: &Location = nested_location();
16 const fn nested_location() -> &'static Location<'static> {
17     Location::caller()
18 }
19
20 const CONTAINED: &Location = contained();
21 const fn contained() -> &'static Location<'static> {
22     tracked()
23 }
24
25 fn main() {
26     assert_eq!(LOCATION.file(), file!());
27     assert_eq!(LOCATION.line(), 7);
28     assert_eq!(LOCATION.column(), 29);
29
30     assert_eq!(TRACKED.file(), file!());
31     assert_eq!(TRACKED.line(), 9);
32     assert_eq!(TRACKED.column(), 28);
33
34     assert_eq!(NESTED.file(), file!());
35     assert_eq!(NESTED.line(), 17);
36     assert_eq!(NESTED.column(), 5);
37
38     assert_eq!(CONTAINED.file(), file!());
39     assert_eq!(CONTAINED.line(), 22);
40     assert_eq!(CONTAINED.column(), 5);
41 }