Fixed issue #747

include/spdlog/details/logger_impl.h

@@ -101,39 +101,39 @@ inline void spdlog::logger::log(level::level_enum lvl, const T &msg)
 }
 
 template<typename Arg1, typename... Args>
-inline void spdlog::logger::trace(const char *fmt, const Arg1 &arg1, const Args &... args)
+inline void spdlog::logger::trace(const char *fmt, const Args &... args)
 {
-    log(level::trace, fmt, arg1, args...);
+    log(level::trace, fmt, args...);
 }
 
 template<typename Arg1, typename... Args>
-inline void spdlog::logger::debug(const char *fmt, const Arg1 &arg1, const Args &... args)
+inline void spdlog::logger::debug(const char *fmt, const Args &... args)
 {
-    log(level::debug, fmt, arg1, args...);
+    log(level::debug, fmt, args...);
 }
 
 template<typename Arg1, typename... Args>
-inline void spdlog::logger::info(const char *fmt, const Arg1 &arg1, const Args &... args)
+inline void spdlog::logger::info(const char *fmt, const Args &... args)
 {
-    log(level::info, fmt, arg1, args...);
+    log(level::info, fmt, args...);
 }
 
 template<typename Arg1, typename... Args>
-inline void spdlog::logger::warn(const char *fmt, const Arg1 &arg1, const Args &... args)
+inline void spdlog::logger::warn(const char *fmt, const Args &... args)
 {
-    log(level::warn, fmt, arg1, args...);
+    log(level::warn, fmt, args...);
 }
 
 template<typename Arg1, typename... Args>
-inline void spdlog::logger::error(const char *fmt, const Arg1 &arg1, const Args &... args)
+inline void spdlog::logger::error(const char *fmt, const Args &... args)
 {
-    log(level::err, fmt, arg1, args...);
+    log(level::err, fmt, args...);
 }
 
 template<typename Arg1, typename... Args>
-inline void spdlog::logger::critical(const char *fmt, const Arg1 &arg1, const Args &... args)
+inline void spdlog::logger::critical(const char *fmt, const Args &... args)
 {
-    log(level::critical, fmt, arg1, args...);
+    log(level::critical, fmt, args...);
 }
 
 template<typename T>

include/spdlog/logger.h

@@ -46,22 +46,22 @@ public:
     void log(level::level_enum lvl, const char *msg);
 
     template<typename Arg1, typename... Args>
-    void trace(const char *fmt, const Arg1 &, const Args &... args);
+    void trace(const char *fmt, const Args &... args);
 
     template<typename Arg1, typename... Args>
-    void debug(const char *fmt, const Arg1 &, const Args &... args);
+    void debug(const char *fmt, const Args &... args);
 
     template<typename Arg1, typename... Args>
-    void info(const char *fmt, const Arg1 &, const Args &... args);
+    void info(const char *fmt, const Args &... args);
 
     template<typename Arg1, typename... Args>
-    void warn(const char *fmt, const Arg1 &, const Args &... args);
+    void warn(const char *fmt, const Args &... args);
 
     template<typename Arg1, typename... Args>
-    void error(const char *fmt, const Arg1 &, const Args &... args);
+    void error(const char *fmt, const Args &... args);
 
     template<typename Arg1, typename... Args>
-    void critical(const char *fmt, const Arg1 &, const Args &... args);
+    void critical(const char *fmt, const Args &... args);
 
 #ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
     template<typename... Args>