example4_using_bind.cpp

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#include <iostream>
#include <functional>

class Multiplier {
public:
    int multiply(int a, int b) {
        return a * b;
    }
};

int main() {
    Multiplier m;
    auto times_two = std::bind(&Multiplier::multiply, &m, std::placeholders::_1, 2);
    
    std::cout << "3 * 2 = " << times_two(3) << std::endl;
    
    return 0;
}