# HG changeset patch
# User Frederic Bastien <bastienf@iro.umontreal.ca>
# Date 1210623149 14400
# Node ID 71107b0ac860bc8a1ebbae911df593e51c9361a4
# Parent  39bb21348fdfb5c593f211d5ed4cded9907d3fe9
optimization

diff -r 39bb21348fdf -r 71107b0ac860 dataset.py
--- a/dataset.py	Mon May 12 15:51:43 2008 -0400
+++ b/dataset.py	Mon May 12 16:12:29 2008 -0400
@@ -1083,6 +1083,11 @@
               return Example(fieldnames,[all_fields_minibatch[name] for name in fieldnames])
       return CacheIterator(self)
 
+  def __getitem__(self,i):
+      if type(i)==int and len(self.cached_examples)>i:
+          return self.cached_examples[i]
+      else:
+          return DataSet.__getitem__(self,i)
                       
 class ApplyFunctionDataSet(DataSet):
   """