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Co-authored-by: Josh Triplett <josh@joshtriplett.org>
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J. Frimmel 2021-03-18 21:15:19 +01:00 committed by GitHub
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6
library/core/src/macros/panic.md
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@ -13,11 +13,11 @@ When using `panic!()` you can specify a string payload, that is built using
the [`format!`] syntax. That payload is used when injecting the panic into
the calling Rust thread, causing the thread to panic entirely.
The behavior of the default `std` hook, i.e. the code, that runs directy
after the panic is invoked, is to print the message payload to the
The behavior of the default `std` hook, i.e. the code that runs directly
after the panic is invoked, is to print the message payload to
`stderr` along with the file/line/column information of the `panic!()`
call. You can override the panic hook using [`std::panic::set_hook()`].
Inside the hook a panic can be accessed as a `&dyn Any + Send`, which
Inside the hook a panic can be accessed as a `&dyn Any + Send`,
which contains either a `&str` or `String` for regular `panic!()` invocations.
To panic with a value of another other type, [`panic_any`] can be used.