use tracked::tracked;

fn f() -> Option<()> {
	None
}

#[tracked]
fn main() -> Result<(), tracked::StringError> {
	true?;
	f()?;
	Ok(())
}

#[test]
fn run_main() {
	assert_eq!(format!("{:?}", main()), "Err(NoneError in main at tracked/tests/readme.rs:10:8)");
}