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Fix example to build and run (#838)

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Andrew Walbran 2023-06-21 09:48:05 +01:00 committed by GitHub
parent a3ef74f107
commit c1ad97c659
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1 changed files with 11 additions and 9 deletions
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18
src/error-handling/panic-unwind.md
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@ -5,15 +5,17 @@ By default, a panic will cause the stack to unwind. The unwinding can be caught:
```rust,editable ```rust,editable
use std::panic; use std::panic;
let result = panic::catch_unwind(|| { fn main() {
println!("hello!"); let result = panic::catch_unwind(|| {
}); println!("hello!");
assert!(result.is_ok()); });
assert!(result.is_ok());
let result = panic::catch_unwind(|| { let result = panic::catch_unwind(|| {
panic!("oh no!"); panic!("oh no!");
}); });
assert!(result.is_err()); assert!(result.is_err());
}
``` ```
* This can be useful in servers which should keep running even if a single * This can be useful in servers which should keep running even if a single