From 5d0f3c6aa4e78aea09952a7a65f61d3c4dce0a0e Mon Sep 17 00:00:00 2001
From: Jonathan Clark <jon.h.clark@gmail.com>
Date: Mon, 14 Mar 2011 17:05:14 -0400
Subject: Fix wordset to override features() so that we can safely use multiple
 instances of it

---
 decoder/ff_wordset.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/decoder/ff_wordset.h b/decoder/ff_wordset.h
index 00e1145b..643097ef 100644
--- a/decoder/ff_wordset.h
+++ b/decoder/ff_wordset.h
@@ -32,6 +32,7 @@ class WordSet : public FeatureFunction {
   ~WordSet() {
   }
 
+  Features features() const { return single_feature(fid_); }
 
  protected:
   virtual void TraversalFeaturesImpl(const SentenceMetadata& smeta,
-- 
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