Fix mixed log using string concat

DataDog · Sep 14, 2021 · a4d2e8b · a4d2e8b
1 parent e76fc0c
commit a4d2e8b
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/include/datadog/opentracing.h b/include/datadog/opentracing.h
@@ -119,16 +119,16 @@ struct TracerOptions {
   LogFunc log_func = [](LogLevel level, ot::string_view message) {
     switch (level) {
       case LogLevel::debug:
-        std::cerr << "debug: " << message << std::endl;
+        std::cerr << "debug: " + message + std::endl;
         break;
       case LogLevel::info:
-        std::cerr << "info: " << message << std::endl;
+        std::cerr << "info: " + message + std::endl;
         break;
       case LogLevel::error:
-        std::cerr << "error: " << message << std::endl;
+        std::cerr << "error: " + message + std::endl;
         break;
       default:
-        std::cerr << "<unknown level>: " << message << std::endl;
+        std::cerr << "<unknown level>: " + message + std::endl;
         break;
     }
   };