compose1.cpp

The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference
by Nicolai M. Josuttis, Addison-Wesley, 1999
© Copyright Nicolai M. Josuttis 1999


#include <iostream>
#include <vector>
#include <algorithm>
#include <functional>
#include <iterator>
#include "print.hpp"
#include "compose.hpp"
using namespace std;
using namespace boost;

int main()
{
    vector<int> coll;

    // 要素 1,2,...,9 を挿入する
    for (int i=1; i<=9; ++i) {
        coll.push_back(i);
    }
    PRINT_ELEMENTS(coll);

    // 各要素に10を加え、さらに5倍する
    transform (coll.begin(),coll.end(),
               ostream_iterator<int>(cout," "),
               compose_f_gx(bind2nd(multiplies<int>(),5),
                            bind2nd(plus<int>(),10)));
    cout << endl;
}