rust/tests/ui/rfcs/rfc-2091-track-caller/const-caller-location.rs

42 lines
1019 B
Rust

//@ run-pass
//@ revisions: default mir-opt
//@[mir-opt] compile-flags: -Zmir-opt-level=4
use std::panic::Location;
const LOCATION: &Location = Location::caller();
const TRACKED: &Location = tracked();
#[track_caller]
const fn tracked() -> &'static Location<'static> {
Location::caller()
}
const NESTED: &Location = nested_location();
const fn nested_location() -> &'static Location<'static> {
Location::caller()
}
const CONTAINED: &Location = contained();
const fn contained() -> &'static Location<'static> {
tracked()
}
fn main() {
assert_eq!(LOCATION.file(), file!());
assert_eq!(LOCATION.line(), 7);
assert_eq!(LOCATION.column(), 29);
assert_eq!(TRACKED.file(), file!());
assert_eq!(TRACKED.line(), 9);
assert_eq!(TRACKED.column(), 28);
assert_eq!(NESTED.file(), file!());
assert_eq!(NESTED.line(), 17);
assert_eq!(NESTED.column(), 5);
assert_eq!(CONTAINED.file(), file!());
assert_eq!(CONTAINED.line(), 22);
assert_eq!(CONTAINED.column(), 5);
}