Merge pull request #403 from Falconne/master

Disambiguate fmt logging methods that are using variadic templates.

include/spdlog/details/logger_impl.h

@@ -121,44 +121,42 @@ inline void spdlog::logger::log(level::level_enum lvl, const T& msg)
 }
 
 
-template <typename... Args>
-inline void spdlog::logger::trace(const char* fmt, const Args&... args)
+template <typename Arg1, typename... Args>
+inline void spdlog::logger::trace(const char* fmt, const Arg1 &arg1, const Args&... args)
 {
-    log(level::trace, fmt, args...);
+    log(level::trace, fmt, arg1, args...);
 }
 
-template <typename... Args>
-inline void spdlog::logger::debug(const char* fmt, const Args&... args)
+template <typename Arg1, typename... Args>
+inline void spdlog::logger::debug(const char* fmt, const Arg1 &arg1, const Args&... args)
 {
-    log(level::debug, fmt, args...);
+    log(level::debug, fmt, arg1, args...);
 }
 
-template <typename... Args>
-inline void spdlog::logger::info(const char* fmt, const Args&... args)
+template <typename Arg1, typename... Args>
+inline void spdlog::logger::info(const char* fmt, const Arg1 &arg1, const Args&... args)
 {
-    log(level::info, fmt, args...);
+    log(level::info, fmt, arg1, args...);
 }
 
-
-template <typename... Args>
-inline void spdlog::logger::warn(const char* fmt, const Args&... args)
+template <typename Arg1, typename... Args>
+inline void spdlog::logger::warn(const char* fmt, const Arg1 &arg1, const Args&... args)
 {
-    log(level::warn, fmt, args...);
+    log(level::warn, fmt, arg1, args...);
 }
 
-template <typename... Args>
-inline void spdlog::logger::error(const char* fmt, const Args&... args)
+template <typename Arg1, typename... Args>
+inline void spdlog::logger::error(const char* fmt, const Arg1 &arg1, const Args&... args)
 {
-    log(level::err, fmt, args...);
+    log(level::err, fmt, arg1, args...);
 }
 
-template <typename... Args>
-inline void spdlog::logger::critical(const char* fmt, const Args&... args)
+template <typename Arg1, typename... Args>
+inline void spdlog::logger::critical(const char* fmt, const Arg1 &arg1, const Args&... args)
 {
-    log(level::critical, fmt, args...);
+    log(level::critical, fmt, arg1, args...);
 }
 
-
 template<typename T>
 inline void spdlog::logger::trace(const T& msg)
 {

include/spdlog/logger.h

@@ -37,12 +37,12 @@ public:
 
     template <typename... Args> void log(level::level_enum lvl, const char* fmt, const Args&... args);
     template <typename... Args> void log(level::level_enum lvl, const char* msg);
-    template <typename... Args> void trace(const char* fmt, const Args&... args);
-    template <typename... Args> void debug(const char* fmt, const Args&... args);
-    template <typename... Args> void info(const char* fmt, const Args&... args);
-    template <typename... Args> void warn(const char* fmt, const Args&... args);
-    template <typename... Args> void error(const char* fmt, const Args&... args);
-    template <typename... Args> void critical(const char* fmt, const Args&... args);
+    template <typename Arg1, typename... Args> void trace(const char* fmt, const Arg1&, const Args&... args);
+    template <typename Arg1, typename... Args> void debug(const char* fmt, const Arg1&, const Args&... args);
+    template <typename Arg1, typename... Args> void info(const char* fmt, const Arg1&, const Args&... args);
+    template <typename Arg1, typename... Args> void warn(const char* fmt, const Arg1&, const Args&... args);
+    template <typename Arg1, typename... Args> void error(const char* fmt, const Arg1&, const Args&... args);
+    template <typename Arg1, typename... Args> void critical(const char* fmt, const Arg1&, const Args&... args);
 
     template <typename T> void log(level::level_enum lvl, const T&);
     template <typename T> void trace(const T&);