mirror of https://github.com/rust-lang/rust
28 lines
581 B
Rust
28 lines
581 B
Rust
//@ run-pass
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// Regression test for https://github.com/rust-lang/rust/issues/114388
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#[track_caller]
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fn caller_line() -> u32 {
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std::panic::Location::caller().line()
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}
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fn main() {
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let prev_line = caller_line(); // first line
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(A { prev_line }) // second line
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[0]; // third line
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}
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struct A {
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prev_line: u32,
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}
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impl std::ops::Index<usize> for A {
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type Output = ();
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fn index(&self, _idx: usize) -> &() {
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// Use the relative number to make it resistent to header changes.
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assert_eq!(caller_line(), self.prev_line + 2);
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&()
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}
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}
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