stabilized logger classes

source/core/logger/log_level.cpp

@@ -7,25 +7,25 @@ namespace matador::logger {
 std::ostream& operator<<(std::ostream &os, const log_level lvl)
 {
   switch (lvl) {
-    case log_level::LVL_ERROR:
+    case log_level::Error:
       os << "ERROR";
       break;
-    case log_level::LVL_FATAL:
+    case log_level::Fatal:
       os << "FATAL";
       break;
-    case log_level::LVL_DEBUG:
+    case log_level::Debug:
       os << "DEBUG";
       break;
-    case log_level::LVL_INFO:
+    case log_level::Info:
       os << "INFO";
       break;
-    case log_level::LVL_TRACE:
+    case log_level::Trace:
       os << "TRACE";
       break;
-    case log_level::LVL_WARN:
+    case log_level::Warn:
       os << "WARN";
       break;
-    case log_level::LVL_ALL:
+    case log_level::All:
       os << "ALL";
       break;
     default: