pr24010.cpp

来自「《标准C++宝典》源码」· C++ 代码 · 共 41 行

////////////////////////////////////////
// File Name: pr24010.cpp
////////////////////////////////////////
#include <iostream>
#include <vector>
#include <algorithm>

////////////////////////////////////////
// The function to be called by
// for_each().
////////////////////////////////////////
void show_val(int val)
{
    std::cout << val << std::endl;
}

////////////////////////////////////////
// The main() function.
////////////////////////////////////////
int main()
{
    // Create the vector object.
    std::vector<int> intVector(5);
    std::back_insert_iterator<std::vector<int> > it(intVector);

    // Populate the vector. 
    *it++ = 23;
    *it++ = 34;
    *it++ = 45;
    *it++ = 56;
    *it = 67;

    // Display the contents of the vector.
    std::cout << "Contents of the vector: " << std::endl;
    std::for_each(intVector.begin(),
        intVector.end(), show_val);
    std::cout << std::endl;

    return 0;
}