koonix

func subsets[T any](v []T) [][]T {
	switch len(v) {
	case 0:
		return [][]T{
			{},
		}
	case 1:
		return [][]T{
			{v[0]},
			{},

koonix

func permute[T any](v []T) [][]T {
	switch len(v) {
	case 0:
		return [][]T{
			{},
		}
	case 1:
		return [][]T{
			{v[0]},
		}

koonix

package nuke

import "sync"

type Nuclear[T any] struct {
	mu sync.RWMutex
	v  T
}

func (n *Nuclear[T]) Store(v T) {

koonix

package once

import "sync"

type Once[T any] struct {
	sync.Mutex
	has bool
	v   T
}

koonix

package withcloser

import "io"

type reader struct {
	io.Reader
	close func() error
}

func (r reader) Close() error {

koonix

#!/bin/bash
set -eu -o pipefail

# This script ensures source code files
# have copyright license headers.
#
# It modifies all source files in place
# and avoids adding a license header
# to any file that already has one.

koonix

package seen

type Seen[T comparable] struct {
	Map map[T]struct{}
}

func New[T comparable](size int) Seen[T] {
	return Seen[T]{
		Map: make(map[T]struct{}, size),
	}

koonix

func RandomBytes(length int) []byte {
	const charset = "abcdefghijklmnopqrstuvwxyz" +
		"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789\t\n "
	b := make([]byte, length)
	for i := range b {
		b[i] = charset[rand.Intn(len(charset))]
	}
	return b
}

koonix

package rndstr

import (
	"crypto/rand"
	"encoding/base64"
)

func RndStr(n int) (string, error) {
	rnd := make([]byte, n + 10)
	_, err := rand.Read(rnd)

koonix

#!/bin/bash

# like surfraw, but not a million fucking lines long.
# requires dmenu.
# the default search engine is shown at first.
# to select another search engine, press enter when
# the prompt is empty in dmenu.

# name of the default search engine
default='Searx'