lib/sastrawi/stemmer/stemmer.rb in sastrawi-0.1.3 vs lib/sastrawi/stemmer/stemmer.rb in sastrawi-0.1.4

@@ -68,17 +68,17 @@
         suffixes = %w[ku mu nya lah kah tah pun]
         second_match = /^(.*)-(.*)$/.match(words[0])
 
         if suffixes.include?(suffix) && second_match
           words[0] = second_match[1]
-          words[1] = second_match[2] << '-' << suffix
+          words[1] = "#{second_match[2]}-#{suffix}"
         end
 
         root_first_word = stem_singular_word(words[0])
         root_second_word = stem_singular_word(words[1])
 
         if !@dictionary.contains?(words[1]) && root_second_word == words[1]
-          root_second_word = stem_singular_word('me' << words[1])
+          root_second_word = stem_singular_word("me#{words[1]}")
         end
 
         if root_first_word == root_second_word
           root_first_word
         else