pub(all) suberror StrsimError {
  UnequalLength
}

pub(all) enum DistanceMetric {
  Hamming
  Levenshtein
  Osa
  DamerauLevenshtein
}

pub(all) enum SimilarityMetric {
  NormalizedLevenshtein
  Jaro
  JaroWinkler
  SorensenDice
}

fn damerau_levenshtein(a : String, b : String) -> Int

fn distance(metric : DistanceMetric, a : String, b : String) -> Int raise StrsimError

fn hamming(a : String, b : String) -> Int raise StrsimError

fn jaro(a : String, b : String) -> Double

fn jaro_winkler(a : String, b : String, prefix_weight? : Double) -> Double

fn lcs_length(a : String, b : String) -> Int

fn levenshtein(a : String, b : String) -> Int

fn normalized_levenshtein(a : String, b : String) -> Double

fn osa_distance(a : String, b : String) -> Int

fn similarity(metric : SimilarityMetric, a : String, b : String) -> Double

fn sorensen_dice(a : String, b : String) -> Double