24 lines
548 B
Rust
24 lines
548 B
Rust
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// run-pass
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trait Tracked {
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#[track_caller]
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fn handle(&self) {
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let location = std::panic::Location::caller();
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assert_eq!(location.file(), file!());
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// we only call this via trait object, so the def site should *always* be returned
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assert_eq!(location.line(), line!() - 4);
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assert_eq!(location.column(), 5);
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}
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}
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impl Tracked for () {}
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impl Tracked for u8 {}
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fn main() {
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let tracked: &dyn Tracked = &5u8;
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tracked.handle();
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const TRACKED: &dyn Tracked = &();
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TRACKED.handle();
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}
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