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


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// run-fail
// error-pattern:greetings from the panic handler
// ignore-emscripten no processes

use std::panic;

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