qookei

#include <iostream>
#include <Imlib2.h>

int main(int argc, char **argv) {
	if(argc != 2) {
		fprintf(stderr, "%s: usage: <image>\n", argv[0]);
		return 1;
	}

	Imlib_Image img;

qookei

template <typename T>
concept requires_checksum = requires (T a, void *b, ptrdiff_t c, size_t d) {
	{ a.do_checksum(b, c, d) } -> std::same_as<void>;
};

template <typename ...Args>
mem::buffer build_packet(Args &&...args) {
	size_t total_size;
	auto parts = frg::make_tuple(std::forward<Args>(args)...);

qookei

#include <iostream>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <time.h>
#include <inttypes.h>
#include <unistd.h>
#include <atomic>
#include <sys/wait.h>

qookei

struct timerfd final : file {
	static auto create_timer(reactor *rtor_) {
		return new timerfd{rtor_};
	}

	timerfd(reactor *rtor)
	: file{rtor, timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK)}, current_{} { }

	// ----------------------------------------------------------------------------------
	// Sleep boilerplate.

qookei

struct line_iterator {
	line_iterator(std::string_view sv)
	: sv_{sv} {}

	struct iter {
		iter &operator++() {
			std::string_view sv = o_->sv_.substr(i_);
			auto newl = sv.find('\n');

			n_++;

qookei

#include <iostream>
#include <string_view>
#include <cctype>
#include <array>
#include <cassert>

struct insn {
	uint8_t op = 0;
	uint8_t arg = 0;

qookei

/*
 * compile with: g++ gorbitsa.cpp -o gorbitsa -ftemplate-depth=99999999 -std=c++2a
 * Tested with GCC 10.1, does *not* work with Clang 10
 */

#include <iostream>
#include <string_view>
#include <cctype>
#include <array>
#include <type_traits>

qookei

while (sock->connected()) {
	auto b = co_await sock->recv();

	frg::string_view req{static_cast<char *>(b.data()), b.size()};
	size_t newl = req.find_first('\n');
	auto http_req = req.sub_string(0, newl);

	auto s1 = http_req.find_first(' ');
	auto s2 = http_req.find_last(' ');

qookei

/*
	Requires compiler with C++20 concept support (GCC 10.1/Clang 10 or newer)
*/

#include <unordered_map>
#include <concepts>
#include <iostream>
#include <variant>
#include <string>
#include <vector>

qookei

/*
 * compile with: g++ gorbitsa.cpp -o gorbitsa -ftemplate-depth=99999999 -std=c++2a
 * Tested with GCC 10.1, does *not* work with Clang 10
 */

#include <iostream>
#include <string_view>
#include <cctype>
#include <array>
#include <type_traits>