The following code example is taken from the book
C++17 - The Complete Guide
by Nicolai M. Josuttis,
Leanpub, 2017
The code is licensed under a
Creative Commons Attribution 4.0 International License.
// raw code
#include <numeric>
#include <algorithm>
#include <iostream>
#include <iterator>
#include <array>
int main()
{
std::array coll{3, 1, 7, 0, 4, 1, 6, 3};
auto twice = [] (int v) { return v*2; };
std::cout << " source: ";
std::copy(coll.begin(), coll.end(),
std::ostream_iterator<int>(std::cout, " "));
std::cout << "\n transform_inclusive_scan(): ";
std::transform_inclusive_scan(coll.begin(), coll.end(),
std::ostream_iterator<int>(std::cout, " "),
std::plus{}, twice);
std::cout << "\n transform_inclusive_scan(): ";
std::transform_inclusive_scan(coll.begin(), coll.end(),
std::ostream_iterator<int>(std::cout, " "),
std::plus{}, twice, 100);
std::cout << "\n transform_exclusive_scan(): ";
std::transform_exclusive_scan(coll.begin(), coll.end(),
std::ostream_iterator<int>(std::cout, " "),
100, std::plus{}, twice); // note the other param order
}