Function generic_jaro_winkler
fn generic_jaro_winkler<'a, 'b, Iter1, Iter2, Elem1, Elem2>(a: &'a Iter1, b: &'b Iter2) -> f64
where
&'a Iter1: IntoIterator<Item = Elem1>,
&'b Iter2: IntoIterator<Item = Elem2>,
Elem1: PartialEq<Elem2>
Like Jaro but gives a boost to sequences that have a common prefix.