diff options
Diffstat (limited to 'guides/rails_guides/levenshtein.rb')
-rw-r--r-- | guides/rails_guides/levenshtein.rb | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/guides/rails_guides/levenshtein.rb b/guides/rails_guides/levenshtein.rb index 049f633258..e947150364 100644 --- a/guides/rails_guides/levenshtein.rb +++ b/guides/rails_guides/levenshtein.rb @@ -1,8 +1,10 @@ module RailsGuides module Levenshtein - # This code is based directly on the Text gem implementation + # This code is based directly on the Text gem implementation. + # Copyright (c) 2006-2013 Paul Battley, Michael Neumann, Tim Fletcher. + # # Returns a value representing the "cost" of transforming str1 into str2 - def self.distance str1, str2 + def self.distance(str1, str2) s = str1 t = str2 n = s.length |