1 files changed, 8 insertions, 0 deletions
diff --git a/decoder/tdict.h b/decoder/tdict.h
index fd77543d..1fba5179 100644
--- a/decoder/tdict.h
+++ b/decoder/tdict.h
@@ -28,4 +28,12 @@ struct TD {
   static const char* Convert(const WordID& w);
 };
 
+struct ToTD {
+  typedef WordID result_type;
+  result_type operator()(std::string const& t) const {
+    return TD::Convert(t);
+  }
+};
+
+
 #endif