changed as suggested by csukuangfj

k2-fsa · Jul 28, 2023 · f7c6545 · f7c6545
1 parent 7f88340
commit f7c6545
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/sherpa-onnx/csrc/hypothesis.h b/sherpa-onnx/csrc/hypothesis.h
@@ -60,10 +60,10 @@ struct Hypothesis {
   std::string Key() const {
     // TODO(fangjun): Use a hash function?
     std::ostringstream os;
-    std::string sep = "";
+    std::string sep;
     for (auto i : ys) {
       os << sep << i;
-      if (sep.empty()) { sep = "-"; }
+      sep = "-";
     }
     return os.str();
   }