Deduce a Single Template Type

1#include <iostream>
2#include <string>
3 
4template <typename T>
5void printValue(T value) {
6    std::cout << value << "\n";
7}
8 
9int main() {
10    printValue(42);
11    printValue(2.5);
12    printValue('A');
13    printValue(std::string("hello"));
14    printValue(7);
15    printValue(std::string("bye"));
16    return 0;
17}