lib/rbbt/tsv/attach.rb in rbbt-util-5.31.11 vs lib/rbbt/tsv/attach.rb in rbbt-util-5.31.12

@@ -187,9 +187,10 @@
 
   def merge_zip(other)
     other.each do |k,v|
       self.zip_new k, v
     end
+    self
   end
 
   
   def attach(other, options = {})
     options      = Misc.add_defaults options, :in_namespace => false, :persist_input => false