mirror of https://github.com/rust-lang/rust
27 lines
440 B
Rust
27 lines
440 B
Rust
struct Guard<'a> {
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f: Box<dyn Fn() + Send + 'a>,
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}
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fn scoped<'a, F: Fn() + Send + 'a>(f: F) -> Guard<'a> {
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Guard { f: Box::new(f) }
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}
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impl<'a> Guard<'a> {
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fn join(self) {}
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}
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fn main() {
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let bad = {
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let x = 1;
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let y = &x;
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//~^ ERROR `x` does not live long enough
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scoped(|| {
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let _z = y;
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//~^ ERROR `y` does not live long enough
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})
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};
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bad.join();
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}
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