#include <iostream>
#include <string>
using namespace std;
 
template<typename T>
std::string toString(const T& t) {
    return std::to_string(t);
}
 
std::string toString(const char* t) {
    return t;
}
 
std::string toString(const std::string& t) {
    return t;
}
 
int main() {
    cout << toString(10) << endl;
    cout << toString(1.5) << endl;
    cout << toString("char*") << endl;
    cout << toString(std::string("string")) << endl;
    return 0;
}
 

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