1.10.0[−][src]Function tract_hir::internal::tract_downcast_rs::__std::panic::take_hook

pub fn take_hook() -> Box<dyn Fn(&PanicInfo<'_>) + 'static + Sync + Send>ⓘ
Notable traits for Box<R>
impl<R> Read for Box<R> where
    R: Read + ?Sized, impl<W> Write for Box<W> where
    W: Write + ?Sized, impl<F> Future for Box<F> where
    F: Unpin + Future + ?Sized,     type Output = <F as Future>::Output;impl<I> Iterator for Box<I> where
    I: Iterator + ?Sized,     type Item = <I as Iterator>::Item;

Unregisters the current panic hook, returning it.

See also the function set_hook.

If no custom hook is registered, the default hook will be returned.

Panics

Panics if called from a panicking thread.

Examples

The following will print "Normal panic":

ⓘThis example panics
use std::panic;

panic::set_hook(Box::new(|_| {
    println!("Custom panic hook");
}));

let _ = panic::take_hook();

panic!("Normal panic");