1 use crate::{Arbitrary, Result, Unstructured}; 2 3 impl<'a> Arbitrary<'a> for () { arbitrary(_: &mut Unstructured<'a>) -> Result<Self>4 fn arbitrary(_: &mut Unstructured<'a>) -> Result<Self> { 5 Ok(()) 6 } 7 8 #[inline] size_hint(_depth: usize) -> (usize, Option<usize>)9 fn size_hint(_depth: usize) -> (usize, Option<usize>) { 10 (0, Some(0)) 11 } 12 } 13