[rustc.git] / src / test / run-fail / issue-20971.rs

// Regression test for Issue #20971.

// error-pattern:Hello, world!

pub trait Parser {
    type Input;
    fn parse(&mut self, input: <Self as Parser>::Input);
}

impl Parser for () {
    type Input = ();
    fn parse(&mut self, input: ()) {}
}

pub fn many() -> Box<Parser<Input = <() as Parser>::Input> + 'static> {
    panic!("Hello, world!")
}

fn main() {
    many().parse(());
}
Commit	Line	Data
85aaf69f	1	// Regression test for Issue #20971.
223e47cc	2
85aaf69f SL	3	// error-pattern:Hello, world!
	4
	5	pub trait Parser {
	6	type Input;
	7	fn parse(&mut self, input: <Self as Parser>::Input);
	8	}
	9
	10	impl Parser for () {
	11	type Input = ();
3157f602	12	fn parse(&mut self, input: ()) {}
85aaf69f SL	13	}
85aaf69f SL	14
3157f602	15	pub fn many() -> Box<Parser<Input = <() as Parser>::Input> + 'static> {
85aaf69f SL	16	panic!("Hello, world!")
85aaf69f SL	17	}
223e47cc	18
85aaf69f	19	fn main() {
3157f602	20	many().parse(());
223e47cc	21	}