mirror of https://github.com/rust-lang/rust
13 lines
326 B
Rust
13 lines
326 B
Rust
// As documented in Issue #45983, this test is evaluating the quality
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// of our diagnostics on erroneous code using higher-ranked closures.
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fn give_any<F: for<'r> FnOnce(&'r ())>(f: F) {
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f(&());
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}
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fn main() {
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let mut x = None;
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give_any(|y| x = Some(y));
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//~^ ERROR borrowed data escapes outside of closure
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}
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