From dd73eb6adb58769dbd2ff2834faccad2cabb59b7 Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Wed, 13 Nov 2013 20:27:52 +0100
Subject: fix

---
 extractor/sampler.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'extractor/sampler.h')

diff --git a/extractor/sampler.h b/extractor/sampler.h
index 30e747fd..de450c48 100644
--- a/extractor/sampler.h
+++ b/extractor/sampler.h
@@ -23,7 +23,7 @@ class Sampler {
   virtual ~Sampler();
 
   // Samples uniformly at most max_samples phrase occurrences.
-  virtual PhraseLocation Sample(const PhraseLocation& location, const unordered_set<int> blacklisted_sentence_ids, const shared_ptr<DataArray> source_data_array) const;
+  virtual PhraseLocation Sample(const PhraseLocation& location, const unordered_set<int>& blacklisted_sentence_ids, const shared_ptr<DataArray> source_data_array) const;
 
  protected:
   Sampler();
-- 
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