lib/doc_sim/shingling.rb in doc_sim-0.1.0 vs lib/doc_sim/shingling.rb in doc_sim-0.1.1

@@ -1,10 +1,9 @@
 # frozen_string_literal: true
 
+# Shingle a document
 module Shingling
   def self.shingle(document, k)
     max_index = document.length - k + 1
-    max_index.times.map do |i|
-      document[i...(i + k)]
-    end
+    max_index.times.to_set { |i| document[i...(i + k)] }
   end
 end