Change parameter order in functions [C++]

placeholders.cpp

#include <functional>
#include <iostream>
 
using namespace std;
using namespace std::placeholders;
 
void show(const string& a, const string& b, const string& c) {
	cout << a << "; " << b << "; " << c << endl;
}

int main() {
	auto x = bind(show, _1, _2, _3);
	auto y = bind(show, _3, _1, _2);
	auto z = bind(show, "hi", _2, _1);
	 
	x("one", "two", "three");
	y("one", "two", "three");
	z("one", "two");
	
	return 0;
}