src/test/ui/panics/panic-set-unset-handler.rs


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// run-fail
// error-pattern:thread 'main' panicked at 'foobar'
// ignore-emscripten no processes

use std::panic;

fn main() {
    panic::set_hook(Box::new(|i| {
        eprint!("greetings from the panic handler");
    }));
    panic::take_hook();
    panic!("foobar");
}