lib/sub_diff/sub.rb in sub_diff-1.0.2 vs lib/sub_diff/sub.rb in sub_diff-1.0.3

@@ -1,16 +1,22 @@
 module SubDiff
-  class Sub < Struct.new(:differ)
+  class Sub
+    def initialize(differ)
+      @differ = differ
+    end
+
     def diff(*args, &block)
       # Ruby 1.8.7 does not support additional args after * (splat)
       args.push(block)
 
       differ.each_diff(*args) do |builder, diff|
         process(builder, diff, args.first)
       end
     end
 
     private
+
+    attr_reader :differ
 
     def process(builder, diff, search)
       builder << prefix(diff)
       builder.push(diff[:replacement], diff[:match])
       builder << suffix(diff, search)