使用可带任何类型的vector是容易的事情
创建可以存放不同类型的vector,只需要把类型当作模板参数就可以
创建可以存放不同类型的vector,只需要把类型当作模板参数就可以
尖括号的参数是模板参数
//: C02:Intvector.cpp // From Thinking in C++, 2nd Edition // Available at http://www.BruceEckel.com // (c) Bruce Eckel 2000 // Copyright notice in Copyright.txt // Creating a vector that holds integers #include <iostream> #include <vector> using namespace std; int main() { vector<int> v; for(int i = 0; i < 10; i++) v.push_back(i); for(int i = 0; i < v.size(); i++) cout << v[i] << ", "; cout << endl; for(int i = 0; i < v.size(); i++) v[i] = v[i] * 10; // Assignment for(int i = 0; i < v.size(); i++) cout << v[i] << ", "; cout << endl; getchar(); } ///:~
v[i] = v[i] * 10;
vector不仅限于输入输出,还可以使用下标操作符向vector赋值
vector是灵活的暂存器,处理对象集
输出
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
0, 10, 20, 30, 40, 50, 60, 70, 80, 90,