#include <iostream>
using namespace std;
 
struct C1 {                                                          
    template <typename T>
    void g(T t);
 
    void g(double x) {
        cout << "C1::g(double): " << x << endl;
    }
};
 
template<>
void C1::g(double x) {
    cout << "Member templates. C1::g(double) " << x << endl;
}
 
int main() {
    C1 c;
    c.g(10.5); // output: C1::g(double): 10.5
    c.g<>(10.5); // output: Member templates. C1::g(double) 10.5
	return 0;
}

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