[PATCH] Marshal.dump'ing OpenStruct objects

I think this allows one to dump OpenStruct objects, and addresses the
data compatibility issue:


--- ostruct.rb	2004-12-01 12:50:44.000000000 +0100
+++ ostruct.rb	2004-12-01 12:52:32.000000000 +0100
@@ -56,6 +56,7 @@
     self.instance_eval %{
       def #{name}; @table[:#{name}]; end
       def #{name}=(x); @table[:#{name}] = x; end
+      def marshal_dump; OpenStruct.new(@table); end
     }
   end

@@ -107,4 +108,9 @@
     return false unless(other.kind_of?(OpenStruct))
     return @table == other.table
   end
+
+  def marshal_load(x)
+    @table = x.instance_variable_get("@table")
+    @table.each_key{|key| new_ostruct_member(key)}
+  end
 end


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