压缩包里有教材<<C++模式设计-基于QT4开源跨平台开发框架>>所有源码

				// Filename: STL-function.cc				// Using the function object minus								#include 				#include 				using namespace std;				int main() {				    double v1[3] = {1.0, 2.5, 4.6},				                   sum;				    sum = accumulate(v1, v1 + 3, 0.0, minus());				    cout 				}												/*out				OOP> g++ stl_function.cc				// warnings about feeding double to minus				OOP> a.out				sum = -7				OOP>				*/