functors/min.hpp

The following code example is taken from the book
C++ Templates - The Complete Guide
by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
© Copyright David Vandevoorde and Nicolai M. Josuttis 2002


template <typename T>
class Min {
  public:
    typedef T ReturnT;
    typedef T Param1T;
    typedef T Param2T;
    enum { NumParams = 2 };
    ReturnT operator() (Param1T a, Param2T b) {
        return a<b ? a : b;
    }
};