THRFIT-231. rb: Make Thrift::Structs hashable

Author: Bryan Duxbury


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@731760 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/rb/lib/thrift/struct.rb b/lib/rb/lib/thrift/struct.rb
index 4b99168..25eb981 100644
--- a/lib/rb/lib/thrift/struct.rb
+++ b/lib/rb/lib/thrift/struct.rb
@@ -129,6 +129,15 @@
       true
     end
 
+    def eql?(other)
+      self.class == other.class && self == other
+    end
+
+    # for the time being, we're ok with a naive hash. this could definitely be improved upon.
+    def hash
+      0
+    end
+
     def self.field_accessor(klass, *fields)
       fields.each do |field|
         klass.send :attr_reader, field