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Defining a unique macro receiving multiple arguments of any type

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28 Dec 20032 min read 95.5K   518   27  
This article describes how to define a macro receiving multiple arguments of multiple types and convert it automatically to a concatenated string
#ifndef MYTRACE_H
#define MYTRACE_H


#include <iostream>
#include <sstream>

using namespace std;



class MyTraceClass
{
public:
	
	template <typename T1> static void Trace( T1 par1 )
	{
		cout << par1 << std::endl;
	}

	template<typename T1, typename T2> static void Trace( typename T1 par1, typename T2 par2 )
	{
	stringstream ss;

		ss << par1 << par2;
		Trace( ss.str() );
	}

	template<typename T1, typename T2, typename T3> static void Trace( typename T1 par1, typename T2 par2, typename T3 par3 )
	{
	stringstream ss;

		ss << par1 << par2 << par3;
		Trace( ss.str() );
	}

	template<typename T1, typename T2, typename T3, typename T4> static void Trace( typename T1 par1, typename T2 par2, typename T3 par3, typename T4 par4 )
	{
	stringstream ss;

		ss << par1 << par2 << par3 << par4;
		Trace( ss.str() );
	}

	template<typename T1, typename T2, typename T3, typename T4, typename T5> static void Trace( typename T1 par1, typename T2 par2, typename T3 par3, typename T4 par4, typename T5 par5 )
	{
	stringstream ss;

		ss << par1 << par2 << par3 << par4 << par5;
		Trace( ss.str() );
	}

	template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6> static void Trace( typename T1 par1, typename T2 par2, typename T3 par3, typename T4 par4, typename T5 par5, typename T6 par6 )
	{
	stringstream ss;

		ss << par1 << par2 << par3 << par4 << par5 << par6;
		Trace( ss.str() );
	}

	template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7> static void Trace( typename T1 par1, typename T2 par2, typename T3 par3, typename T4 par4, typename T5 par5, typename T6 par6, typename T7 par7 )
	{
	stringstream ss;

		ss << par1 << par2 << par3 << par4 << par5 << par6 << par7;
		Trace( ss.str() );
	}
};


#define MYTRACE MyTraceClass::Trace

#endif

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Written By
Web Developer
Brazil Brazil
I live in São Paulo - Brazil - where I have my tiny C++ \ Win32 \ .NET training company: NEXSUN
I have worked with many programming languages like VB / C++ / Java / C# but I´m mainly interested in: C++ forever Smile | :) and the .NET framework. Now I'm IBM-OOAD, OMG-OCUP, MCP, MCAD, MCSD, SCJP, MCSD.NET, MCTS, MCPD.

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