mirror of https://github.com/rust-lang/rust
18 lines
455 B
Rust
18 lines
455 B
Rust
// Similar to regions-ret-borrowed.rs, but using a named lifetime. At
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// some point regions-ret-borrowed reported an error but this file did
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// not, due to special hardcoding around the anonymous region.
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fn with<R, F>(f: F) -> R where F: for<'a> FnOnce(&'a isize) -> R {
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f(&3)
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}
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fn return_it<'a>() -> &'a isize {
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with(|o| o)
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//~^ ERROR lifetime may not live long enough
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}
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fn main() {
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let x = return_it();
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println!("foo={}", *x);
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}
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