Use variadic templates in WTF::dataLog()

Source/wtf/DataLog.h

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 22 matching lines @@
 #include <stdio.h>
 
 namespace WTF {
 
 FilePrintStream& dataFile();
 
 void dataLogFV(const char* format, va_list) WTF_ATTRIBUTE_PRINTF(1, 0);
 void dataLogF(const char* format, ...) WTF_ATTRIBUTE_PRINTF(1, 2);
 void dataLogFString(const char*);
 
-template<typename T>
-void dataLog(const T& value)
+template<typename... T>
+void dataLog(const T&... values)
 {
-    dataFile().print(value);
-}
-
-template<typename T1, typename T2>
-void dataLog(const T1& value1, const T2& value2)
-{
-    dataFile().print(value1, value2);
-}
-
-template<typename T1, typename T2, typename T3>
-void dataLog(const T1& value1, const T2& value2, const T3& value3)
-{
-    dataFile().print(value1, value2, value3);
-}
-
-template<typename T1, typename T2, typename T3, typename T4>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4)
-{
-    dataFile().print(value1, value2, value3, value4);
-}
-
-template<typename T1, typename T2, typename T3, typename T4, typename T5>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5)
-{
-    dataFile().print(value1, value2, value3, value4, value5);
-}
-
-template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6)
-{
-    dataFile().print(value1, value2, value3, value4, value5, value6);
-}
-
-template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7)
-{
-    dataFile().print(value1, value2, value3, value4, value5, value6, value7);
-}
-
-template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8)
-{
-    dataFile().print(value1, value2, value3, value4, value5, value6, value7, value8);
-}
-
-template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9)
-{
-    dataFile().print(value1, value2, value3, value4, value5, value6, value7, value8, value9);
-}
-
-template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10)
-{
-    dataFile().print(value1, value2, value3, value4, value5, value6, value7, value8, value9, value10);
-}
-
-template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10, const T11& value11)
-{
-    dataFile().print(value1, value2, value3, value4, value5, value6, value7, value8, value9, value10, value11);
-}
-
-template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11, typename T12>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10, const T11& value11, const T12& value12)
-{
-    dataFile().print(value1, value2, value3, value4, value5, value6, value7, value8, value9, value10, value11, value12);
-}
-
-template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11, typename T12, typename T13>
-void dataLog(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10, const T11& value11, const T12& value12, const T13& value13)
-{
-    dataFile().print(value1, value2, value3, value4, value5, value6, value7, value8, value9, value10, value11, value12, value13);
+    dataFile().print(values...);
 }
 
 } // namespace WTF
 
 using WTF::dataLog;
 using WTF::dataLogF;
 using WTF::dataLogFString;
 
 #endif // DataLog_h