1 // Regression test for Issue #20971.
4 // error-pattern:Hello, world!
5 // ignore-emscripten no processes
9 fn parse(&mut self, input: <Self as Parser>::Input);
14 fn parse(&mut self, input: ()) {}
17 pub fn many() -> Box<dyn Parser<Input = <() as Parser>::Input> + 'static> {
18 panic!("Hello, world!")