# HG changeset patch
# User James Bergstra <bergstrj@iro.umontreal.ca>
# Date 1256251932 14400
# Node ID 7ccce98da2b6438a4bc9bedf9ee0e1d4f9c09fc6
# Parent  2418dad0130716ea809accd3ccbcf5cbe4f60711
added forget function to memo in dataset_ops.memo

diff -r 2418dad01307 -r 7ccce98da2b6 pylearn/dataset_ops/memo.py
--- a/pylearn/dataset_ops/memo.py	Thu Oct 22 18:51:45 2009 -0400
+++ b/pylearn/dataset_ops/memo.py	Thu Oct 22 18:52:12 2009 -0400
@@ -17,6 +17,10 @@
         if args not in cache:
             cache[args] = f(*args)
         return cache[args]
+    def forget():
+        for k in cache.keys():
+            del cache[k]
+    rval.forget = forget
     rval.__name__ = 'memo@%s'%f.__name__
     return rval