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16 lines
381 B
Rust
16 lines
381 B
Rust
//@ revisions: edition2021 edition2024
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//@ [edition2024] compile-flags: -Zunstable-options
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//@ [edition2024] edition: 2024
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//@ [edition2024] run-pass
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#![cfg_attr(edition2024, feature(shorter_tail_lifetimes))]
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fn f() -> usize {
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let c = std::cell::RefCell::new("..");
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c.borrow().len() //[edition2021]~ ERROR: `c` does not live long enough
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}
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fn main() {
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let _ = f();
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}
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