#include
#include
#include
int main() {
// applies the function on its way through the sequence
std::cout << "mapping i*i over [1, 7): ";
std::vector vec1 = {1, 2, 3, 4, 5, 6};
for (auto i : iter::imap([] (int i) {return i * i; }, vec1)) {
std::cout << i << ' ';
}
std::cout << '\n';
// multiple sequences can be used, each iterator will be advanced
// f(a[0], b[0]) then f(a[1], b[1]) etc.
std::cout << "vector sum of <1, 2, ..., 6> and <10, 20, ..., 60>: ";
std::vector vec2 = {10, 20, 30, 40, 50, 60};
for (auto i : iter::imap([] (int x, int y) { return x + y; }, vec1, vec2)) {
std::cout << i << ' ';
}
std::cout << '\n';
// it will terminate on the shortest sequence
std::cout << "vector sum of <1, 2, ..., 6>, <10, 20, ..., 60>, and "
"<100, 200, 300>: ";
std::vector vec3 = {100, 200, 300};
for (auto i : iter::imap([] (int a, int b, int c) { return a + b + c; },
vec1, vec2, vec3)) {
std::cout << i << ' ';
}
std::cout << '\n';
}