Fixed issue #39 User defined types no longer streamable

include/spdlog/details/line_logger.h

@@ -23,7 +23,7 @@
 /*************************************************************************/
 
 #pragma once
-
+#include <type_traits>
 #include "../common.h"
 #include "../logger.h"
 #ifdef SPDLOG_CLOCK_COARSE
@@ -96,18 +96,85 @@ public:
         }
     }
 
-
     void write(const char* what)
     {
         if (_enabled)
             _log_msg.raw << what;
     }
 
+    void write(const std::string& what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+    void write(int what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+    void write(unsigned int what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+
+    void write(long what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+    void write(unsigned long what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+    void write(long long what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+    void write(unsigned long long what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+    void write(double what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+    void write(long double what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+    void write(float what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+    void write(char what)
+    {
+        if (_enabled)
+            _log_msg.raw << what;
+    }
+
+
     template<typename T>
     line_logger& operator<<(const T& what)
     {
         if (_enabled)
-            _log_msg.raw << what;
+            _log_msg.raw.write("{}", what);
         return *this;
     }