use std::ops::Deref;

struct TombstoneIterator<I, T> {
    iter: I,
    tombstone_value: T,
}

impl<I, T> TombstoneIterator<I, T> {
    fn new(iter: I, tombstone_value: T) -> Self
    where
        I: Iterator,
        I::Item: Deref<Target=T>,
    {
        TombstoneIterator {
            iter,
            tombstone_value,
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn tombstone_iter_works() {
        let string = String::from("..foo...bar..");
        let iter = TombstoneIterator::new(string.chars(), '.');
    }

    #[test]
    fn tombstone_iter_mut_works() {
        let mut string: Vec<_> = "..foo...bar..".chars().collect();
        let iter = TombstoneIterator::new(string.iter_mut(), '.');
    }
}