gammazero

package main

import (
    "flag"
    "strings"
)

type arrayFlags []string

func (a *arrayFlags) String() string {

gammazero

package main

import (
	"container/heap"
)

type priorityQueue [][]int

func (pq priorityQueue) Len() int { return len(pq) }

gammazero

package server

import (
	"fmt"
	"time"
)

const (
	defaultWriteTimeout = 30 * time.Second
	defaultReadTimeout  = 30 * time.Second

gammazero

func fileExists(filename string) bool {
	_, err := os.Stat(filename)
	return !errors.Is(err, fs.ErrNotExist) 
}

func dirExists(name string) (bool, error) {
	fi, err := os.Stat(name)
	if err != nil {
		if errors.Is(err, fs.ErrNotExist) {
			return false, nil

gammazero

package main

import (
	"crypto/md5"
	"crypto/sha1"
	"crypto/sha256"
	"crypto/sha512"
	"hash"
	"hash/fnv"
	"testing"

gammazero

Channel Behaviors

* A receive from a nil channel blocks forever
* A receive from a closed channel returns the zero value immediately
* A receive on an empty channel blocks

* A send to a nil channel blocks forever
* A send to a closed channel panics
* A send to a full (or unbuffered) channel blocks until reader has read data

gammazero

// longestCommonPrefix returns the string in compares that has the longest common prefix with s
func longestCommonPrefix(s string, compares ...string) string {
	var longestMatched int
	var longestCmp string
	maxLength := len(s)
	for _, c := range compares {
		cmpLen := len(c)
		if cmpLen > maxLength {
			cmpLen = maxLength
		}

gammazero

function ask_yes_no() {
    local prompt="$1"
    while true; do
        read -p "$prompt [y/n]?" yn
        case "$yn" in
            [Yy]* ) return 0;;
            [Nn]* ) return 1;;
            * ) echo "Please answer y or n";;
        esac
    done

gammazero

package main

import (
	"path"
	"syscall"
)

// isMountPoint returns true if the given directory is a mountpoint
func isMountPoint(fileName string) (bool, error) {
	dir := path.Clean(fileName)

gammazero

package main

import (
	"context"
	"errors"
	"fmt"
	"time"

	"github.com/gammazero/workerpool"
)