modernize-use-equals-default

include/spdlog/details/registry.h

@@ -194,7 +194,7 @@ public:
     }
 
 private:
-    registry_t<Mutex>() {}
+    registry_t<Mutex>() = default;
     registry_t<Mutex>(const registry_t<Mutex>&) = delete;
     registry_t<Mutex>& operator=(const registry_t<Mutex>&) = delete;
 
@@ -203,6 +203,7 @@ private:
         if (_loggers.find(logger_name) != _loggers.end())
             throw spdlog_ex("logger with name '" + logger_name + "' already exists");
     }
+
     Mutex _mutex;
     std::unordered_map <std::string, std::shared_ptr<logger>> _loggers;
     formatter_ptr _formatter;