min.hpp

来自「非常著名的C++ Templates 完全导引范例配套的原代码」· HPP 代码 · 共 22 行

/* The following code example is taken from the book
 * "C++ Templates - The Complete Guide"
 * by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
 *
 * (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002.
 * Permission to copy, use, modify, sell and distribute this software
 * is granted provided this copyright notice appears in all copies.
 * This software is provided "as is" without express or implied
 * warranty, and with no claim as to its suitability for any purpose.
 */
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 ? b : a;
    }
};