Function `generic_damerau_levenshtein`

fn generic_damerau_levenshtein<Elem>(a_elems: &[Elem], b_elems: &[Elem]) -> usize
where
    Elem: Eq + Hash + Clone

Like optimal string alignment, but substrings can be edited an unlimited number of times, and the triangle inequality holds.

use strsim::generic_damerau_levenshtein;

assert_eq!(2, generic_damerau_levenshtein(&[1,2], &[2,3,1]));