Function generate

fuzz/build.rs:181–196

(
        rng: &mut StdRng,
        mut f: impl FnMut(&mut Unstructured<'_>) -> arbitrary::Result<T>,
    )

    }

    fn generate<T>(
        rng: &mut StdRng,
        mut f: impl FnMut(&mut Unstructured<'_>) -> arbitrary::Result<T>,
    ) -> Result<T> {
        let mut bytes = Vec::new();
        loop {
            let count = rng.random_range(1000..2000);
            bytes.extend(iter::repeat_with(|| rng.random::<u8>()).take(count));

            match f(&mut Unstructured::new(&bytes)) {
                Ok(ret) => break Ok(ret),
                Err(arbitrary::Error::NotEnoughData) => (),
                Err(error) => break Err(Error::from(error)),
            }
        }
    }
}