lambda_vs_bind.cpp

#include <iostream>

struct Widget {
    template <typename T, typename U>
    void operator()(const T& a, const U& b)
    {
        std::cout << a << " " << b << std::endl;
    }
};

int main()
{
    using namespace std::placeholders;

    auto poly = std::bind(Widget(), 1, _1);
    poly("32");
    poly(12);

    return 0;
}