#include <chrono>
#include <cxxformat/cxxformat>

using namespace format::literals;
void test(std::string_view name, auto what)
{
	using clock = std::chrono::steady_clock;
	using namespace std::chrono_literals;

	const auto start = clock::now();

	for (std::size_t i = 0; i < 10'000'000; ++i)
	{
		what(i);
	}

	const auto stop = clock::now();

	"%s took: %fs\n"_format_to(stderr, name, (stop - start) / 1.s);
}

int main()
{
	test("_format_to(stdout)", [](auto i){ "%u\n"_format_to(stdout, i); });
	test("snprintf", [buf = std::array<char, 100>{}](auto i) mutable { snprintf(buf.data(), buf.size(), "%zu\n", i); });
	test("_format", [](auto i){ "%u\n"_format(i); });
	test("_format_to(std::cout)", [](auto i){ "%u\n"_format_to(std::cout, i); });
	test("run_time::format_template", [tmpl = format::run_time::format_template{"%u\n"}](auto i){ tmpl(stdout, i); });
	test("format_to(stdout)", [](auto i){ format::format_to("%u\n", format::NullOutput{}, i); });
	test("printf", [](auto i){ printf("%zu\n", i); });
	test("std::cout", [](auto i){ std::cout << i << '\n'; });
}