How to use Less method of vcs Package

Best Syzkaller code snippet using vcs.Less

root.go

Source:root.go Github

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1/*2Copyright © 2020 NAME HERE <EMAIL ADDRESS>3Licensed under the Apache License, Version 2.0 (the "License");4you may not use this file except in compliance with the License.5You may obtain a copy of the License at6 http://www.apache.org/licenses/LICENSE-2.07Unless required by applicable law or agreed to in writing, software8distributed under the License is distributed on an "AS IS" BASIS,9WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.10See the License for the specific language governing permissions and11limitations under the License.12*/13package cmd14import (15 "fmt"16 "io/ioutil"17 "os"18 "path"19 "sort"20 "strings"21 "time"22 "github.com/gaelph/k/internal/git"23 "github.com/gaelph/k/internal/numfmt"24 . "github.com/gaelph/k/internal/stat"25 "github.com/gaelph/k/internal/tabwriter"26 "github.com/spf13/cobra"27 "github.com/logrusorgru/aurora/v3"28 . "github.com/logrusorgru/aurora/v3"29 homedir "github.com/mitchellh/go-homedir"30 "github.com/spf13/viper"31)32var cfgFile string33type FileDscr struct {34 name string35 fullpath string36 fileInfo os.FileInfo37 stat PlatformStat38}39// Return the color for a file size40func SizeToColor(size int64) uint8 {41 // 1kB42 if size <= 1024 {43 return 4644 }45 // 2kB46 if size <= 2048 {47 return 8248 }49 // 3kB50 if size <= 3072 {51 return 11852 }53 // 5kB54 if size <= 5120 {55 return 15456 }57 // 10kB58 if size <= 10240 {59 return 19060 }61 // 20kB62 if size <= 20480 {63 return 22664 }65 // 40kB66 if size <= 40960 {67 return 22068 }69 // 100kB70 if size <= 102400 {71 return 21472 }73 // 256kB74 if size <= 262144 {75 return 20876 }77 // 512kB78 if size <= 524288 {79 return 20280 }81 return 19682}83// Formats size in human readable format84// if the -H flag is set85// uses SI if the --si flag is set86func formatNumber(num int64) string {87 result := fmt.Sprint(num)88 if *humanReadableSize {89 result = numfmt.NumFmt(result, *siSize)90 }91 return result92}93// Formats and colors time94// Colors are relative to now95// TODO: accept Now as a param so that96// all lines have the same reference97//98// 0 196 # < in the future, #spooky99// 60 255 # < less than a min old100// 3600 252 # < less than an hour old101// 86400 250 # < less than 1 day old102// 604800 244 # < less than 1 week old103// 2419200 244 # < less than 28 days (4 weeks) old104// 15724800 242 # < less than 26 weeks (6 months) old105// 31449600 240 # < less than 1 year old106// 62899200 238 # < less than 2 years old107func formatTime(t time.Time) string {108 str := t.Format("_2 Jan") + " " + t.Format("15:04")109 secs := time.Now().Unix() - t.Unix()110 var color uint8 = 236111 if secs <= 0 {112 color = 196113 } else if secs <= 60 {114 color = 255115 } else if secs <= 3600 {116 color = 252117 } else if secs <= 86400 {118 color = 250119 } else if secs <= 604800 {120 color = 244121 } else if secs <= 2419200 {122 color = 244123 } else if secs <= 15724800 {124 color = 242125 } else if secs <= 31449600 {126 color = 240127 } else if secs <= 62899200 {128 color = 238129 }130 return aurora.Index(color, str).String()131}132// Finds the target of a symlink133func symlinkTarget(fd FileDscr) string {134 mode := fd.fileInfo.Mode()135 if mode&os.ModeSymlink == os.ModeSymlink {136 target, _ := os.Readlink(fd.fullpath)137 return " -> " + target138 }139 return ""140}141// Formats and colors a file names.142// TODO: use $LSCOLORS on macOS143// Gxfxcxdxbxegedabagacad144// case $foreground in145// a) foreground_ansi=30;;146// b) foreground_ansi=31;;147// c) foreground_ansi=32;;148// d) foreground_ansi=33;;149// e) foreground_ansi=34;;150// f) foreground_ansi=35;;151// g) foreground_ansi=36;;152// h) foreground_ansi=37;;153// x) foreground_ansi=0;;154// esac155func formatFilename(fd FileDscr, branch string) string {156 mode := fd.fileInfo.Mode()157 perm := mode.Perm()158 if mode.IsDir() {159 dirname := fd.name160 // writable by others161 if perm&0002 == 0002 {162 if mode&os.ModeSticky == os.ModeSticky {163 dirname = aurora.Index(0, fd.name).BgIndex(2).String()164 }165 dirname = aurora.Index(0, fd.name).BgIndex(3).String()166 }167 return dirname + " " + Gray(9, branch).String()168 }169 if mode&os.ModeSymlink == os.ModeSymlink {170 return aurora.Index(5, fd.name).BgIndex(0).String() + symlinkTarget(fd)171 }172 if mode&os.ModeSocket == os.ModeSocket {173 return aurora.Index(2, fd.name).BgIndex(0).String()174 }175 if mode&os.ModeNamedPipe == os.ModeNamedPipe {176 return aurora.Index(3, fd.name).BgIndex(0).String()177 }178 if mode&os.ModeDevice == os.ModeDevice {179 return aurora.Index(4, fd.name).BgIndex(6).String()180 }181 if mode&os.ModeCharDevice == os.ModeCharDevice {182 return aurora.Index(4, fd.name).BgIndex(3).String()183 }184 if perm&0100 == 0100 {185 if mode&os.ModeSetuid == os.ModeSetuid {186 return aurora.Index(0, fd.name).BgIndex(1).String()187 }188 if mode&os.ModeSetgid == os.ModeSetgid {189 return aurora.Index(0, fd.name).BgIndex(6).String()190 }191 return aurora.Index(1, fd.name).String()192 }193 return fd.name194}195// Returns the Git status for a file196func vcsSatus(fd FileDscr, insideVCS bool) (string, string) {197 if *noVCS {198 return "", ""199 }200 return git.Status(fd.fullpath, fd.fileInfo, insideVCS)201}202// Colors the VCS status marker203func formatVCSStatus(status string) string {204 if *noVCS {205 return ""206 }207 switch status {208 // Directory Good209 // when out of a repo, but the directory is one210 case "DG":211 return aurora.Index(46, "|").String()212 // Dirty213 case " M":214 return aurora.Index(1, "+").String()215 // Dirty+Added216 case "M ":217 return aurora.Index(82, "+").String()218 // Untracked219 case "??":220 return aurora.Index(214, "+").String()221 // Ignored222 case "!!":223 return aurora.Index(238, "|").String()224 // Added225 case "A ":226 return aurora.Index(82, "+").String()227 // Not a repo228 // when out of a repo229 case "--":230 return " "231 // Good232 default:233 return aurora.Index(82, "|").String()234 }235}236func formatUsername(username string) string {237 return Gray(9, username).String()238}239func formatGroupname(group string) string {240 return Gray(9, group).String()241}242func formatLinks(links uint64) string {243 return fmt.Sprint(links)244}245func formatSize(size int64) string {246 color := SizeToColor(size)247 str := formatNumber(size)248 return Index(color, str).String()249}250// Prints a line to a tabwrite251// with proper formating and such252func PrintLine(writer *tabwriter.Writer, f FileDscr, insideVCS bool) {253 mode := f.fileInfo.Mode().String()254 links := f.stat.Links()255 username := f.stat.Username()256 groupname := f.stat.Group()257 vcs, branch := vcsSatus(f, insideVCS)258 elemts := []string{259 mode,260 formatLinks(links),261 formatUsername(username),262 formatGroupname(groupname),263 formatSize(f.fileInfo.Size()),264 formatTime(f.fileInfo.ModTime()),265 formatVCSStatus(vcs),266 " " + formatFilename(f, branch),267 }268 fmt.Fprintln(writer, strings.Join(elemts, "\t"))269}270// Returns whether a line should be printed for a file271// accordinf to flags272func shouldPrint(name string, f os.FileInfo) bool {273 isDir := f.IsDir()274 isHidden := strings.HasPrefix(name, ".")275 showHidden := *listAlmostAll || *listAll276 should := true277 if *listDirectories && !isDir {278 should = false279 }280 if should && *dontListDirectories && isDir {281 should = false282 }283 if should && !showHidden && isHidden {284 should = false285 }286 return should287}288// Reversable sort function289func sortFn(a, b int64, reverse bool) bool {290 result := a > b291 if reverse {292 return !result293 }294 return result295}296func sortDescriptors(fds []FileDscr) []FileDscr {297 if *sortSize {298 sort.Slice(fds, func(i, j int) bool {299 sizeI := fds[i].fileInfo.Size()300 sizeJ := fds[j].fileInfo.Size()301 return sortFn(sizeI, sizeJ, *reverseSort)302 })303 }304 if *sortModTime {305 sort.Slice(fds, func(i, j int) bool {306 modTimeI := fds[i].fileInfo.ModTime().UnixNano()307 modTimeJ := fds[j].fileInfo.ModTime().UnixNano()308 return sortFn(modTimeI, modTimeJ, *reverseSort)309 })310 }311 if *sortAtime {312 sort.Slice(fds, func(i, j int) bool {313 atimeI := fds[i].stat.ATime().UnixNano()314 atimeJ := fds[j].stat.ATime().UnixNano()315 return sortFn(atimeI, atimeJ, *reverseSort)316 })317 }318 if *sortCtime {319 sort.Slice(fds, func(i, j int) bool {320 ctimeI := fds[i].stat.CTime().UnixNano()321 ctimeJ := fds[j].stat.CTime().UnixNano()322 return sortFn(ctimeI, ctimeJ, *reverseSort)323 })324 }325 return fds326}327func handleSortFlag(cmd *cobra.Command) {328 sortBy, _ = cmd.Flags().GetString("sort")329 for _, r := range sortBy {330 switch r {331 case 's':332 *sortSize = true333 continue334 case 't':335 *sortModTime = true336 continue337 case 'c':338 *sortCtime = true339 continue340 case 'a':341 *sortAtime = true342 continue343 }344 }345}346func handleArgs(args []string) string {347 cwd, _ := os.Getwd()348 if len(args) == 1 {349 target := args[0]350 if path.IsAbs(target) {351 cwd = target352 } else {353 cwd = path.Clean(path.Join(cwd, target))354 }355 }356 if err := os.Chdir(cwd); err != nil {357 panic(err)358 }359 return cwd360}361func getDescriptors(cwd string) []FileDscr {362 files, err := ioutil.ReadDir(cwd)363 if err != nil {364 panic(err)365 }366 descriptors := make([]FileDscr, 0)367 // Add . and ..368 if *listAll {369 dot, _ := os.Stat(cwd)370 dotdot, _ := os.Stat(path.Dir(cwd))371 dotD := FileDscr{372 ".",373 cwd,374 dot,375 NewPlatformStat(dot),376 }377 dotdotD := FileDscr{378 "..",379 path.Dir(cwd),380 dotdot,381 NewPlatformStat(dotdot),382 }383 descriptors = append(descriptors, dotD, dotdotD)384 }385 // Actual file list386 for _, file := range files {387 if shouldPrint(file.Name(), file) {388 descriptors = append(descriptors, FileDscr{389 file.Name(),390 path.Join(cwd, file.Name()),391 file,392 NewPlatformStat(file),393 })394 }395 }396 return sortDescriptors(descriptors)397}398// rootCmd represents the base command when called without any subcommands399var rootCmd = &cobra.Command{400 Use: "k [directory]",401 Short: "k makes directory listings more readable",402 Long: `k makes directory listings more readable,403adding a bit of color and some git status information404on files and directories.`,405 // no args == current dir406 // 1 arg == dir relative to the current one407 // TODO: handle absolute paths408 Args: cobra.RangeArgs(0, 1),409 Run: func(cmd *cobra.Command, args []string) {410 // Waiting line411 fmt.Print("Reading directory…")412 handleSortFlag(cmd)413 cwd := handleArgs(args)414 descriptors := getDescriptors(cwd)415 insideVCS := git.IsInWorkTree()416 writer := tabwriter.NewWriter(os.Stdout, 0, 4, 1, ' ', tabwriter.AlignRight)417 var blocks int64 = 0418 for _, d := range descriptors {419 blocks += d.stat.Blocks()420 PrintLine(writer, d, insideVCS)421 }422 // Clear waiting line423 fmt.Print("\r \r")424 // Final Output425 fmt.Printf(" total %d\n", blocks)426 writer.Flush()427 },428}429// Execute adds all child commands to the root command and sets flags appropriately.430// This is called by main.main(). It only needs to happen once to the rootCmd.431func Execute() {432 if err := rootCmd.Execute(); err != nil {433 fmt.Println(err)434 os.Exit(1)435 }436}437var listAll *bool438var listAlmostAll *bool439var sortCtime *bool440var listDirectories *bool441var dontListDirectories *bool442var humanReadableSize *bool443var siSize *bool444var reverseSort *bool445var sortSize *bool446var sortModTime *bool447var sortAtime *bool448var dontSort *bool449var sortBy string450var noVCS *bool451func init() {452 cobra.OnInitialize(initConfig)453 // Cobra also supports local flags, which will only run454 // when this action is called directly.455 listAll = rootCmd.Flags().BoolP("all", "a", false, "list entries starting .")456 listAlmostAll = rootCmd.Flags().BoolP("almost-all", "A", false, "list all except . and ..")457 sortCtime = rootCmd.Flags().BoolP("ctime", "c", false, "sort by ctime")458 listDirectories = rootCmd.Flags().BoolP("directories", "d", false, "list only directories")459 dontListDirectories = rootCmd.Flags().BoolP("no-directories", "n", false, "do not list directories")460 humanReadableSize = rootCmd.Flags().BoolP("human", "H", false, "show file sizes in human readable format")461 siSize = rootCmd.Flags().Bool("si", false, "with -h, use powers of 1000 not 1024")462 reverseSort = rootCmd.Flags().BoolP("reverse", "r", false, "reverse sort order")463 sortSize = rootCmd.Flags().BoolP("size", "S", false, "sort by size")464 sortModTime = rootCmd.Flags().BoolP("time", "t", false, "sort by modification time")465 sortAtime = rootCmd.Flags().BoolP("atime", "u", false, "sort by atime (use of access time)")466 dontSort = rootCmd.Flags().BoolP("unsorted", "U", false, "unsorted")467 rootCmd.Flags().String("sort", "n", "sort by WORD: none (U), size (s),\ntime (t), ctime or status (c),\natime or access time or use (a)")468 noVCS = rootCmd.Flags().Bool("no-vcs", false, "do not get VCS stats (much faster)")469}470// initConfig reads in config file and ENV variables if set.471func initConfig() {472 if cfgFile != "" {473 // Use config file from the flag.474 viper.SetConfigFile(cfgFile)475 } else {476 // Find home directory.477 home, err := homedir.Dir()478 if err != nil {479 fmt.Println(err)480 os.Exit(1)481 }482 // Search config in home directory with name ".k" (without extension).483 viper.AddConfigPath(home)484 viper.SetConfigName(".k")485 }486 viper.AutomaticEnv() // read in environment variables that match487 // If a config file is found, read it in.488 if err := viper.ReadInConfig(); err == nil {489 fmt.Println("Using config file:", viper.ConfigFileUsed())490 }491}...

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packages_heap.go

Source:packages_heap.go Github

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...5// PackagesHeap facilitates building prioritized / sorted collections of6// packages.7type PackagesHeap struct {8 Packages []*Package9 LessFunc PackagesLessFunc10}11// PackagesLessFunc Package comparison function type.12type PackagesLessFunc func(a, b *Package) bool13func NewPackagesHeap(lessFn func(a, b *Package) bool) *PackagesHeap {14 ph := &PackagesHeap{15 Packages: []*Package{},16 LessFunc: lessFn,17 }18 heap.Init(ph)19 return ph20}21func (ph PackagesHeap) Len() int { return len(ph.Packages) }22func (ph PackagesHeap) Less(i, j int) bool {23 return ph.LessFunc(ph.Packages[i], ph.Packages[j])24}25func (ph PackagesHeap) Swap(i, j int) { ph.Packages[i], ph.Packages[j] = ph.Packages[j], ph.Packages[i] }26func (ph *PackagesHeap) Push(x interface{}) {27 // Push and Pop use pointer receivers because they modify the slice's length,28 // not just its contents.29 ph.Packages = append(ph.Packages, x.(*Package))30}31func (ph *PackagesHeap) PackagePush(pkg *Package) {32 heap.Push(ph, pkg)33}34func (ph *PackagesHeap) Pop() interface{} {35 old := ph.Packages36 n := len(old)37 x := old[n-1]38 ph.Packages = old[0 : n-1]39 return x40}41func (ph *PackagesHeap) PackagePop() *Package {42 if len(ph.Packages) == 0 {43 return nil44 }45 pkg := heap.Pop(ph).(*Package)46 return pkg47}48func (ph *PackagesHeap) Slice() []*Package {49 orig := make([]*Package, ph.Len())50 for i, p := range ph.Packages {51 orig[i] = p52 }53 s := make([]*Package, ph.Len())54 i := 055 for ph.Len() > 0 {56 s[i] = ph.PackagePop()57 i++58 }59 ph.Packages = orig60 return s61}62var (63 // PackagesByFirstSeenAt comparison function which sorted by the FirstSeenAt64 // field.65 PackagesByFirstSeenAt = func(a, b *Package) bool {66 if a == nil || b == nil || a.FirstSeenAt == nil || b.FirstSeenAt == nil {67 return false68 }69 return a.FirstSeenAt.Before(*b.FirstSeenAt)70 }71 // PackagesByCommittedAt comparison function which sorted by the72 // CommittedAt field.73 PackagesByCommittedAt = func(a, b *Package) bool {74 if a == nil || b == nil || a.Data == nil || b.Data == nil || a.Data.CommittedAt == nil || b.Data.CommittedAt == nil {75 return false76 }77 return a.Data.CommittedAt.Before(*b.Data.CommittedAt)78 // return h[i].Data.CommittedAt.Before(*h[j].Data.CommittedAt)79 }80 // PackagesByLastSeenAt comparison function which sorted by the81 // Data.CreatedAt field.82 PackagesByLastSeenAt = func(a, b *Package) bool {83 if a == nil || b == nil || a.Data == nil || b.Data == nil || a.Data.CreatedAt == nil || b.Data.CreatedAt == nil {84 return false85 }86 return a.Data.CreatedAt.Before(*b.Data.CreatedAt)87 }88 // PackagesByBytesTotal comparison function which sorted by the89 // total checked out size.90 PackagesByBytesTotal = func(a, b *Package) bool {91 if a == nil || b == nil || a.Data == nil || b.Data == nil {92 return false93 }94 return a.Data.BytesTotal < b.Data.BytesTotal95 }96 // PackagesByBytesVCSDir comparison function which sorted by the97 // VCS directory size.98 PackagesByBytesVCSDir = func(a, b *Package) bool {99 if a == nil || b == nil || a.Data == nil || b.Data == nil {100 return false101 }102 return a.Data.BytesVCS < b.Data.BytesVCS103 }104 // PackagesByBytesData comparison function which sorted by the105 // actual repository content (code files, etc) size.106 PackagesByBytesData = func(a, b *Package) bool {107 if a == nil || b == nil || a.Data == nil || b.Data == nil {108 return false109 }110 return a.Data.BytesTotal-a.Data.BytesVCS < b.Data.BytesTotal-b.Data.BytesVCS111 }112 // PackagesByNumImports comparison function which sorted by the113 // number of imports a package uses.114 PackagesByNumImports = func(a, b *Package) bool {115 if a == nil || b == nil || a.Data == nil || b.Data == nil {116 return false117 }118 return len(a.Data.CombinedImports()) < len(b.Data.CombinedImports())119 }120 // PackagesByNumImportedBy comparison function which sorted by the121 // number of imports from other packages.122 PackagesByNumImportedBy = func(a, b *Package) bool {123 if a == nil || b == nil || a.Data == nil || b.Data == nil {124 return false125 }126 return len(a.ImportedBy) < len(b.ImportedBy)127 }128 // PackagesDesc returns a reversed version of the specified less function.129 PackagesDesc = func(lessFn PackagesLessFunc) PackagesLessFunc {130 fn := func(a, b *Package) bool {131 return !lessFn(a, b)132 }133 return fn134 }135)136/*type packagesHeap []*Package137func (h packagesHeap) Len() int { return len(h) }138func (h packagesHeap) Less(i, j int) bool {139 return h[i].Data.CommittedAt.Before(*h[j].Data.CommittedAt)140}141func (h packagesHeap) Swap(i, j int) { h[i], h[j] = h[j], h[i] }142func (h *packagesHeap) Push(x interface{}) {143 // Push and Pop use pointer receivers because they modify the slice's length,144 // not just its contents.145 *h = append(*h, x.(*Package))146}147func (h *packagesHeap) Pop() interface{} {148 old := *h149 n := len(old)150 x := old[n-1]151 *h = old[0 : n-1]152 return x...

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refspecoverrides.go

Source:refspecoverrides.go Github

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1package server2import (3 "context"4 "os/exec"5 "strings"6 "github.com/sourcegraph/sourcegraph/internal/env"7 "github.com/sourcegraph/sourcegraph/internal/vcs"8)9// HACK(keegancsmith) workaround to experiment with cloning less in a large10// monorepo. https://github.com/sourcegraph/customer/issues/1911var refspecOverrides = strings.Fields(env.Get("SRC_GITSERVER_REFSPECS", "", "EXPERIMENTAL: override refspec we fetch. Space separated."))12// HACK(keegancsmith) workaround to experiment with cloning less in a large13// monorepo. https://github.com/sourcegraph/customer/issues/1914func useRefspecOverrides() bool {15 return len(refspecOverrides) > 016}17// HACK(keegancsmith) workaround to experiment with cloning less in a large18// monorepo. https://github.com/sourcegraph/customer/issues/1919func refspecOverridesFetchCmd(ctx context.Context, remoteURL *vcs.URL) *exec.Cmd {20 return exec.CommandContext(ctx, "git", append([]string{"fetch", "--progress", "--prune", remoteURL.String()}, refspecOverrides...)...)21}...

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Less

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1import (2func main() {3 a := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}4 sort.Sort(sort.Reverse(sort.IntSlice(a)))5 fmt.Println(a)6}7import (8func main() {9 a := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}10 sort.Sort(sort.Reverse(sort.IntSlice(a)))11 fmt.Println(a)12}13import (14func main() {15 a := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}16 sort.Sort(sort.Reverse(sort.IntSlice(a)))17 fmt.Println(a)18}19import (20func main() {21 a := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}22 sort.Sort(sort.Reverse(sort.IntSlice(a)))23 fmt.Println(a)24}25import (26func main() {27 a := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}28 sort.Sort(sort.Reverse(sort.IntSlice(a)))29 fmt.Println(a)30}31import (32func main() {33 a := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}34 sort.Sort(sort.Reverse(sort.IntSlice(a)))35 fmt.Println(a)36}

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Less

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1import (2type VCS struct {3}4func (a ByAge) Len() int { return len(a) }5func (a ByAge) Swap(i, j int) { a[i], a[j] = a[j], a[i] }6func (a ByAge) Less(i, j int) bool { return a[i].Age < a[j].Age }7func main() {8 vcs := []VCS{9 {"Go", 6},10 {"Rust", 5},11 {"Erlang", 23},12 }13 sort.Sort(ByAge(vcs))

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Less

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1import (2type Vcs struct {3}4func (v Vcs) Less(other Vcs) bool {5}6func main() {7 vcs1 := Vcs{"git"}8 vcs2 := Vcs{"mercurial"}9 fmt.Println(vcs1.Less(vcs2))10}11import (12type Vcs struct {13}14func (v *Vcs) Less(other Vcs) bool {15}16func main() {17 vcs1 := Vcs{"git"}18 vcs2 := Vcs{"mercurial"}19 fmt.Println(vcs1.Less(vcs2))20}21import (22type Vcs struct {23}24func (v *Vcs) Less(other *Vcs) bool {25}26func main() {27 vcs1 := Vcs{"git"}28 vcs2 := Vcs{"mercurial"}29 fmt.Println(vcs1.Less(&vcs2))30}31import (32type Vcs struct {33}34func (v *Vcs) Less(other *Vcs) bool {35}36func main() {37 vcs1 := &Vcs{"git"}38 vcs2 := &Vcs{"mercurial"}39 fmt.Println(vcs1.Less(vcs2))40}41import (42type Vcs struct {43}44func (v *Vcs) Less(other Vcs) bool {45}46func main() {47 vcs1 := &Vcs{"git"}48 vcs2 := &Vcs{"mercurial"}49 fmt.Println(vcs1.Less(*vcs2))50}

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1import (2func (s vcs) Len() int {3 return len(s)4}5func (s vcs) Swap(i, j int) {6}7func (s vcs) Less(i, j int) bool {8}9func main() {10 v := vcs{"z", "x", "y"}11 fmt.Println(v)12 sort.Sort(v)13 fmt.Println(v)14}15import (16func (s vcs) Len() int {17 return len(s)18}19func (s vcs) Swap(i, j int) {20}21func (s vcs) Less(i, j int) bool {22}23func (s vcs) Sort() {24 sort.Sort(s)25}26func main() {27 v := vcs{"z", "x", "y"}28 fmt.Println(v)29 v.Sort()30 fmt.Println(v)31}32import (33func (s vcs) Len() int {34 return len(s)35}36func (s vcs) Swap(i, j int) {37}38func (s vcs) Less(i, j int) bool {39}40func (s vcs) Sort() {41 sort.Sort(s)42}43func main() {44 v := vcs{"z", "x", "y"}45 fmt.Println(v)46 sort.Sort(v)47 fmt.Println(v)

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1func (v vcs) Len() int {2 return len(v)3}4func (v vcs) Less(i, j int) bool {5}6func (v vcs) Swap(i, j int) {7}8func main() {9 versions = []string{"1.1.1", "1.2.3", "1.2.1", "1.2.2", "1.2.0", "1.1.2", "1.1.0"}10 sort.Sort(versions)11 fmt.Println(versions)12}13Go: How to sort a slice of structs by multiple fields (2)14Go: How to sort a slice of structs by multiple fields (3)15Go: How to sort a slice of structs by multiple fields (4)16Go: How to sort a slice of structs by multiple fields (5)17Go: How to sort a slice of structs by multiple fields (6)18Go: How to sort a slice of structs by multiple fields (7)19Go: How to sort a slice of structs by multiple fields (8)20Go: How to sort a slice of structs by multiple fields (9)21Go: How to sort a slice of structs by multiple fields (10)22Go: How to sort a slice of structs by multiple fields (11)23Go: How to sort a slice of structs by multiple fields (12)24Go: How to sort a slice of structs by multiple fields (13)25Go: How to sort a slice of structs by multiple fields (14)26Go: How to sort a slice of structs by multiple fields (15)27Go: How to sort a slice of structs by multiple fields (16)28Go: How to sort a slice of structs by multiple fields (17)

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Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

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