From ad307cc72c80f9fc81affe8723682b685f60914f Mon Sep 17 00:00:00 2001
From: redpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Sun, 19 Sep 2010 19:52:07 +0000
Subject: big refactor

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@649 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 decoder/cdec_ff.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'decoder/cdec_ff.cc')

diff --git a/decoder/cdec_ff.cc b/decoder/cdec_ff.cc
index 98d4711f..84ba19fa 100644
--- a/decoder/cdec_ff.cc
+++ b/decoder/cdec_ff.cc
@@ -13,6 +13,12 @@
 #include "ff_register.h"
 
 void register_feature_functions() {
+  static bool registered = false;
+  if (registered) {
+    assert(!"register_feature_functions() called twice!");
+  }
+  registered = true;
+
   //TODO: these are worthless example target FSA ffs.  remove later
   RegisterFsaImpl<SameFirstLetter>(true);
   RegisterFsaImpl<LongerThanPrev>(true);
-- 
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