Reduce unordered_map calls.

1 files changed, 2 insertions, 2 deletions

diff --git a/extractor/suffix_array.cc b/extractor/suffix_array.cc
index ac230d13..4a514b12 100644
--- a/extractor/suffix_array.cc
+++ b/extractor/suffix_array.cc
@@ -187,12 +187,12 @@ shared_ptr<DataArray> SuffixArray::GetData() const {
 
 PhraseLocation SuffixArray::Lookup(int low, int high, const string& word,
                                    int offset) const {
-  if (!data_array->HasWord(word)) {
+  int word_id = data_array->GetWordId(word);
+  if (word_id == -1) {
     // Return empty phrase location.
     return PhraseLocation(0, 0);
   }
 
-  int word_id = data_array->GetWordId(word);
   if (offset == 0) {
     return PhraseLocation(word_start[word_id], word_start[word_id + 1]);
   }