#include <algorithm>
#include <iostream>
#include <iterator>

#include <pfor/pfor.h>
#include <pfor/traits.h>

constexpr long n = 10;

#define OPERAND(T, ID)  \
	T ID##_;              \
	auto ID = pfor::Operand<T, class TID##ID>{ID##_}

template<typename T, std::size_t n>
void printArray(std::array<T, n> const& array) {
	std::copy(std::begin(array), std::end(array), std::ostream_iterator<T>(std::cout, " "));
	std::cout << std::endl;
}

int main() {
	using Type = std::array<int, n>;
	OPERAND(Type, a);

	std::generate_n(std::begin(a_), n, [i=1]() mutable { return i++; });

	pfor::Index i;

	pfor::parallelFor<pfor::ForLoopUnrolling<4>::template Template>(pfor::Range{0, n},
		a[i] = 3*a[i]
	);

	printArray(a_);
}