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 <set>
#include <algorithm>
#include "print.hpp"
int square (int value)
{
return value*value;
}
int main()
{
std::set<int> coll1;
std::vector<int> coll2;
// insert elements from 1 to 9 into coll1
for (int i=1; i<=9; ++i) {
coll1.insert(i);
}
PRINT_ELEMENTS(coll1,"initialized: ");
// transform each element from coll1 to coll2
// - square transformed values
std::transform (coll1.begin(),coll1.end(), // source
std::back_inserter(coll2), // destination
square); // operation
PRINT_ELEMENTS(coll2,"squared: ");
}