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// HelloWorld.cpp : Defines the entry point for the console application.
//
#include <iostream>
#include <string>
 
template<typename T>
void show(const T& value)
{
    std::cout << value << std::endl;
}
 
 
template<typename U, typename... T>
void foo(const U& head, const T&... tail)
{
	std::cout << head;
	show(tail...);
}
 
int main()
{
	int a = 12;
	std::string tbone("Tbone");
	foo(tbone, a, a);
	return 0;
}
 
 

prog.cpp: In function 'void foo(const U&, const T& ...) [with U = std::basic_string<char>, T = {int, int}]':
prog.cpp:24:17:   instantiated from here
prog.cpp:17:2: error: no matching function for call to 'show(const int&, const int&)'

Standard output is empty