How to use Format method of prog Package

Best Syzkaller code snippet using prog.Format

csource.go

Source:csource.go Github

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...252 fmt.Fprintf(w, ", ")253 }254 switch arg := arg.(type) {255 case prog.ExecArgConst:256 if arg.Format != prog.FormatNative && arg.Format != prog.FormatBigEndian {257 panic("sring format in syscall argument")258 }259 fmt.Fprintf(w, "%v", ctx.constArgToStr(arg, true, native))260 case prog.ExecArgResult:261 if arg.Format != prog.FormatNative && arg.Format != prog.FormatBigEndian {262 panic("sring format in syscall argument")263 }264 val := ctx.resultArgToStr(arg)265 if native && ctx.target.PtrSize == 4 {266 // syscall accepts args as ellipsis, resources are uint64267 // and take 2 slots without the cast, which would be wrong.268 val = "(intptr_t)" + val269 }270 fmt.Fprintf(w, "%v", val)271 default:272 panic(fmt.Sprintf("unknown arg type: %+v", arg))273 }274 }275 for i := 0; i < call.Meta.MissingArgs; i++ {276 if native || len(call.Args) != 0 {277 fmt.Fprintf(w, ", ")278 }279 fmt.Fprintf(w, "0")280 }281}282func (ctx *context) generateCsumInet(w *bytes.Buffer, addr uint64, arg prog.ExecArgCsum, csumSeq int) {283 fmt.Fprintf(w, "\tstruct csum_inet csum_%d;\n", csumSeq)284 fmt.Fprintf(w, "\tcsum_inet_init(&csum_%d);\n", csumSeq)285 for i, chunk := range arg.Chunks {286 switch chunk.Kind {287 case prog.ExecArgCsumChunkData:288 fmt.Fprintf(w, "\tNONFAILING(csum_inet_update(&csum_%d, (const uint8*)0x%x, %d));\n",289 csumSeq, chunk.Value, chunk.Size)290 case prog.ExecArgCsumChunkConst:291 fmt.Fprintf(w, "\tuint%d csum_%d_chunk_%d = 0x%x;\n",292 chunk.Size*8, csumSeq, i, chunk.Value)293 fmt.Fprintf(w, "\tcsum_inet_update(&csum_%d, (const uint8*)&csum_%d_chunk_%d, %d);\n",294 csumSeq, csumSeq, i, chunk.Size)295 default:296 panic(fmt.Sprintf("unknown checksum chunk kind %v", chunk.Kind))297 }298 }299 fmt.Fprintf(w, "\tNONFAILING(*(uint16*)0x%x = csum_inet_digest(&csum_%d));\n",300 addr, csumSeq)301}302func (ctx *context) copyin(w *bytes.Buffer, csumSeq *int, copyin prog.ExecCopyin) {303 switch arg := copyin.Arg.(type) {304 case prog.ExecArgConst:305 if arg.BitfieldOffset == 0 && arg.BitfieldLength == 0 {306 ctx.copyinVal(w, copyin.Addr, arg.Size, ctx.constArgToStr(arg, true, false), arg.Format)307 } else {308 if arg.Format != prog.FormatNative && arg.Format != prog.FormatBigEndian {309 panic("bitfield+string format")310 }311 htobe := ""312 if ctx.target.LittleEndian && arg.Format == prog.FormatBigEndian {313 htobe = fmt.Sprintf("htobe%v", arg.Size*8)314 }315 bitfieldOffset := arg.BitfieldOffset316 if !ctx.target.LittleEndian {317 bitfieldOffset = arg.Size*8 - arg.BitfieldOffset - arg.BitfieldLength318 }319 fmt.Fprintf(w, "\tNONFAILING(STORE_BY_BITMASK(uint%v, %v, 0x%x, %v, %v, %v));\n",320 arg.Size*8, htobe, copyin.Addr, ctx.constArgToStr(arg, false, false),321 bitfieldOffset, arg.BitfieldLength)322 }323 case prog.ExecArgResult:324 ctx.copyinVal(w, copyin.Addr, arg.Size, ctx.resultArgToStr(arg), arg.Format)325 case prog.ExecArgData:326 fmt.Fprintf(w, "\tNONFAILING(memcpy((void*)0x%x, \"%s\", %v));\n",327 copyin.Addr, toCString(arg.Data, arg.Readable), len(arg.Data))328 case prog.ExecArgCsum:329 switch arg.Kind {330 case prog.ExecArgCsumInet:331 *csumSeq++332 ctx.generateCsumInet(w, copyin.Addr, arg, *csumSeq)333 default:334 panic(fmt.Sprintf("unknown csum kind %v", arg.Kind))335 }336 default:337 panic(fmt.Sprintf("bad argument type: %+v", arg))338 }339}340func (ctx *context) copyinVal(w *bytes.Buffer, addr, size uint64, val string, bf prog.BinaryFormat) {341 switch bf {342 case prog.FormatNative, prog.FormatBigEndian:343 fmt.Fprintf(w, "\tNONFAILING(*(uint%v*)0x%x = %v);\n", size*8, addr, val)344 case prog.FormatStrDec:345 if size != 20 {346 panic("bad strdec size")347 }348 fmt.Fprintf(w, "\tNONFAILING(sprintf((char*)0x%x, \"%%020llu\", (long long)%v));\n", addr, val)349 case prog.FormatStrHex:350 if size != 18 {351 panic("bad strdec size")352 }353 fmt.Fprintf(w, "\tNONFAILING(sprintf((char*)0x%x, \"0x%%016llx\", (long long)%v));\n", addr, val)354 case prog.FormatStrOct:355 if size != 23 {356 panic("bad strdec size")357 }358 fmt.Fprintf(w, "\tNONFAILING(sprintf((char*)0x%x, \"%%023llo\", (long long)%v));\n", addr, val)359 default:360 panic("unknown binary format")361 }362}363func (ctx *context) copyout(w *bytes.Buffer, call prog.ExecCall, resCopyout bool) {364 if ctx.sysTarget.OS == "fuchsia" {365 // On fuchsia we have real system calls that return ZX_OK on success,366 // and libc calls that are casted to function returning intptr_t,367 // as the result int -1 is returned as 0x00000000ffffffff rather than full -1.368 if strings.HasPrefix(call.Meta.CallName, "zx_") {369 fmt.Fprintf(w, "\tif (res == ZX_OK)")370 } else {371 fmt.Fprintf(w, "\tif ((int)res != -1)")372 }373 } else {374 fmt.Fprintf(w, "\tif (res != -1)")375 }376 copyoutMultiple := len(call.Copyout) > 1 || resCopyout && len(call.Copyout) > 0377 if copyoutMultiple {378 fmt.Fprintf(w, " {")379 }380 fmt.Fprintf(w, "\n")381 if resCopyout {382 fmt.Fprintf(w, "\t\tr[%v] = res;\n", call.Index)383 }384 for _, copyout := range call.Copyout {385 fmt.Fprintf(w, "\t\tNONFAILING(r[%v] = *(uint%v*)0x%x);\n",386 copyout.Index, copyout.Size*8, copyout.Addr)387 }388 if copyoutMultiple {389 fmt.Fprintf(w, "\t}\n")390 }391}392func (ctx *context) constArgToStr(arg prog.ExecArgConst, handleBigEndian, native bool) string {393 mask := (uint64(1) << (arg.Size * 8)) - 1394 v := arg.Value & mask395 val := fmt.Sprintf("%v", v)396 if v == ^uint64(0)&mask {397 val = "-1"398 } else if v >= 10 {399 val = fmt.Sprintf("0x%x", v)400 }401 if native && arg.Size == 8 {402 // syscall() is variadic, so constant arguments must be explicitly403 // promoted. Otherwise the compiler is free to leave garbage in the404 // upper 32 bits of the argument value. In practice this can happen405 // on amd64 with arguments that are passed on the stack, i.e.,406 // arguments beyond the first six. For example, on freebsd/amd64,407 // syscall(SYS_mmap, ..., 0) causes clang to emit a 32-bit store of408 // 0 to the stack, but the kernel expects a 64-bit value.409 //410 // syzkaller's argument type representations do not always match411 // the OS ABI. For instance, "flags" is always 64 bits wide on 64-bit412 // platforms, but is a 32-bit value ("unsigned int" or so) in many413 // cases. Thus, we assume here that passing a 64-bit argument where414 // a 32-bit argument is expected won't break anything. On amd64415 // this should be fine: arguments are passed in 64-bit registers or416 // at 64 bit-aligned addresses on the stack.417 if ctx.target.PtrSize == 4 {418 val += "ull"419 } else {420 val += "ul"421 }422 }423 if ctx.opts.Procs > 1 && arg.PidStride != 0 {424 val += fmt.Sprintf(" + procid*%v", arg.PidStride)425 }426 if handleBigEndian && arg.Format == prog.FormatBigEndian {427 val = fmt.Sprintf("htobe%v(%v)", arg.Size*8, val)428 }429 return val430}431func (ctx *context) resultArgToStr(arg prog.ExecArgResult) string {432 res := fmt.Sprintf("r[%v]", arg.Index)433 if arg.DivOp != 0 {434 res = fmt.Sprintf("%v/%v", res, arg.DivOp)435 }436 if arg.AddOp != 0 {437 res = fmt.Sprintf("%v+%v", res, arg.AddOp)438 }439 if arg.Format == prog.FormatBigEndian {440 res = fmt.Sprintf("htobe%v(%v)", arg.Size*8, res)441 }442 return res443}444func (ctx *context) postProcess(result []byte) []byte {445 // Remove NONFAILING, debug, fail, etc calls.446 if !ctx.opts.HandleSegv {447 result = regexp.MustCompile(`\t*NONFAILING\((.*)\);\n`).ReplaceAll(result, []byte("$1;\n"))448 }449 result = bytes.Replace(result, []byte("NORETURN"), nil, -1)450 result = bytes.Replace(result, []byte("doexit("), []byte("exit("), -1)451 result = regexp.MustCompile(`PRINTF\(.*?\)`).ReplaceAll(result, nil)452 result = regexp.MustCompile(`\t*debug\((.*\n)*?.*\);\n`).ReplaceAll(result, nil)453 result = regexp.MustCompile(`\t*debug_dump_data\((.*\n)*?.*\);\n`).ReplaceAll(result, nil)...

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streamformatter.go

Source:streamformatter.go Github

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...7 "github.com/docker/docker/pkg/jsonmessage"8 "github.com/docker/docker/pkg/progress"9)10const streamNewline = "\r\n"11type jsonProgressFormatter struct{}12func appendNewline(source []byte) []byte {13 return append(source, []byte(streamNewline)...)14}15// FormatStatus formats the specified objects according to the specified format (and id).16func FormatStatus(id, format string, a ...interface{}) []byte {17 str := fmt.Sprintf(format, a...)18 b, err := json.Marshal(&jsonmessage.JSONMessage{ID: id, Status: str})19 if err != nil {20 return FormatError(err)21 }22 return appendNewline(b)23}24// FormatError formats the error as a JSON object25func FormatError(err error) []byte {26 jsonError, ok := err.(*jsonmessage.JSONError)27 if !ok {28 jsonError = &jsonmessage.JSONError{Message: err.Error()}29 }30 if b, err := json.Marshal(&jsonmessage.JSONMessage{Error: jsonError, ErrorMessage: err.Error()}); err == nil {31 return appendNewline(b)32 }33 return []byte(`{"error":"format error"}` + streamNewline)34}35func (sf *jsonProgressFormatter) formatStatus(id, format string, a ...interface{}) []byte {36 return FormatStatus(id, format, a...)37}38// formatProgress formats the progress information for a specified action.39func (sf *jsonProgressFormatter) formatProgress(id, action string, progress *jsonmessage.JSONProgress, aux interface{}) []byte {40 if progress == nil {41 progress = &jsonmessage.JSONProgress{}42 }43 var auxJSON *json.RawMessage44 if aux != nil {45 auxJSONBytes, err := json.Marshal(aux)46 if err != nil {47 return nil48 }49 auxJSON = new(json.RawMessage)50 *auxJSON = auxJSONBytes51 }52 b, err := json.Marshal(&jsonmessage.JSONMessage{53 Status: action,54 ProgressMessage: progress.String(),55 Progress: progress,56 ID: id,57 Aux: auxJSON,58 })59 if err != nil {60 return nil61 }62 return appendNewline(b)63}64type rawProgressFormatter struct{}65func (sf *rawProgressFormatter) formatStatus(id, format string, a ...interface{}) []byte {66 return []byte(fmt.Sprintf(format, a...) + streamNewline)67}68func (sf *rawProgressFormatter) formatProgress(id, action string, progress *jsonmessage.JSONProgress, aux interface{}) []byte {69 if progress == nil {70 progress = &jsonmessage.JSONProgress{}71 }72 endl := "\r"73 if progress.String() == "" {74 endl += "\n"75 }76 return []byte(action + " " + progress.String() + endl)77}78// NewProgressOutput returns a progress.Output object that can be passed to79// progress.NewProgressReader.80func NewProgressOutput(out io.Writer) progress.Output {81 return &progressOutput{sf: &rawProgressFormatter{}, out: out, newLines: true}82}83// NewJSONProgressOutput returns a progress.Output that that formats output84// using JSON objects85func NewJSONProgressOutput(out io.Writer, newLines bool) progress.Output {86 return &progressOutput{sf: &jsonProgressFormatter{}, out: out, newLines: newLines}87}88type formatProgress interface {89 formatStatus(id, format string, a ...interface{}) []byte90 formatProgress(id, action string, progress *jsonmessage.JSONProgress, aux interface{}) []byte91}92type progressOutput struct {93 sf formatProgress94 out io.Writer95 newLines bool96}97// WriteProgress formats progress information from a ProgressReader.98func (out *progressOutput) WriteProgress(prog progress.Progress) error {99 var formatted []byte100 if prog.Message != "" {101 formatted = out.sf.formatStatus(prog.ID, prog.Message)102 } else {103 jsonProgress := jsonmessage.JSONProgress{Current: prog.Current, Total: prog.Total, HideCounts: prog.HideCounts, Units: prog.Units}104 formatted = out.sf.formatProgress(prog.ID, prog.Action, &jsonProgress, prog.Aux)105 }106 _, err := out.out.Write(formatted)107 if err != nil {108 return err109 }110 if out.newLines && prog.LastUpdate {111 _, err = out.out.Write(out.sf.formatStatus("", ""))112 return err113 }114 return nil115}116// AuxFormatter is a streamFormatter that writes aux progress messages117type AuxFormatter struct {118 io.Writer119}120// Emit emits the given interface as an aux progress message121func (sf *AuxFormatter) Emit(id string, aux interface{}) error {122 auxJSONBytes, err := json.Marshal(aux)123 if err != nil {124 return err125 }126 auxJSON := new(json.RawMessage)127 *auxJSON = auxJSONBytes128 msgJSON, err := json.Marshal(&jsonmessage.JSONMessage{ID: id, Aux: auxJSON})129 if err != nil {130 return err131 }132 msgJSON = appendNewline(msgJSON)133 n, err := sf.Writer.Write(msgJSON)134 if n != len(msgJSON) {135 return io.ErrShortWrite...

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template.go

Source:template.go Github

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1package fish2// see https://fishshell.com/docs/current/commands.html#complete3var fishTemplate = `#!/usr/bin/env fish4{{ $prog := .Name -}}5set PROG '{{ $prog }}'6function __fish_{{ $prog }}_needs_command7 set -l cmd (commandline -opc)8 if [ (count $cmd) -eq 1 -a $cmd[1] = $PROG ]9 return 010 end11 return 112end13function __fish_{{ $prog }}_uses_command14 set cmd (commandline -opc)15 if [ (count $cmd) -gt 1 ]16 if [ $argv[1] = $cmd[2] ]17 return 018 end19 end20 return 121end22function __fish_{{ $prog }}_print_gpg_keys23 gpg2 --list-keys | grep uid | sed 's/.*<\(.*\)>/\1/'24end25function __fish_{{ $prog }}_print_entries26 {{ $prog }} ls --flat27end28function __fish_{{ $prog }}_print_dir29 for i in ({{ $prog }} ls --flat)30 echo (dirname $i)31 end | sort -u32end33# erase any existing completions for {{ $prog }}34complete -c $PROG -e35complete -c $PROG -f -n '__fish_{{ $prog }}_needs_command' -a "(__fish_{{ $prog }}_print_entries)"36complete -c $PROG -f -s c -l clip -r -a "(__fish_{{ $prog }}_print_entries)"37{{- $gflags := .Flags -}}38{{ range .Commands }}39complete -c $PROG -f -n '__fish_{{ $prog }}_needs_command' -a {{ .Name }} -d 'Command: {{ .Usage }}'40{{- $cmd := .Name -}}41{{- if or (eq $cmd "copy") (eq $cmd "cp") (eq $cmd "move") (eq $cmd "mv") (eq $cmd "delete") (eq $cmd "remove") (eq $cmd "rm") (eq $cmd "show") (eq $cmd "set") (eq $cmd "edit") (eq $cmd "otp") }}42complete -c $PROG -f -n '__fish_{{ $prog }}_uses_command {{ $cmd }}' -a "(__fish_{{ $prog }}_print_entries)"{{ end -}}43{{- if or (eq $cmd "insert") (eq $cmd "generate") (eq $cmd "list") (eq $cmd "ls") }}44complete -c $PROG -f -n '__fish_{{ $prog }}_uses_command {{ $cmd }}' -a "(__fish_{{ $prog }}_print_dir)"{{ end -}}45{{- range .Subcommands }}46{{- $subcmd := .Name }}47complete -c $PROG -f -n '__fish_{{ $prog }}_uses_command {{ $cmd }}' -a {{ $subcmd }} -d 'Subcommand: {{ .Usage }}'48{{- range .Flags }}49complete -c $PROG -f -n '__fish_{{ $prog }}_uses_command {{ $cmd }} {{ $subcmd }} {{ if ne (. | formatShortFlag) "" }}-s {{ . | formatShortFlag }} {{ end }}-l {{ . | formatLongFlag }} -d "{{ . | formatFlagUsage }}"'50{{- end }}51{{- range $gflags }}52complete -c $PROG -f -n '__fish_{{ $prog }}_uses_command {{ $cmd }} {{ $subcmd }} {{ if ne (. | formatShortFlag) "" }}-s {{ . | formatShortFlag }} {{ end }}-l {{ . | formatLongFlag }} -d "{{ . | formatFlagUsage }}"'53{{- end }}54{{- end }}55{{- end }}`...

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Format

Using AI Code Generation

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1import "fmt"2func main() {3 fmt.Printf("Hello, %s4}5import "fmt"6func main() {7 fmt.Printf("Hello, %s8}

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Format

Using AI Code Generation

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1import "fmt"2func main() {3 fmt.Println(prog.Format("hello"))4}5func Format(s string) string {6}

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Format

Using AI Code Generation

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1import (2func main() {3 fmt.Println(stringutil.Reverse("!oG ,olleH"))4 fmt.Println(stringutil.MyName)5}6import (7func main() {8 fmt.Println(icomefromalaska.Reverse("!oG ,olleH"))9 fmt.Println(icomefromalaska.MyName)10}11import (12func main() {13 fmt.Println(icomefromalaska.Reverse("!oG ,olleH"))14 fmt.Println(icomefromalaska.MyName)15}16import (17func main() {18 fmt.Println(icomefromalaska.Reverse("!oG ,olleH"))19 fmt.Println(icomefromalaska.MyName)20}21import (22func main() {23 fmt.Println(icomefromalaska.Reverse("!oG ,olleH"))24 fmt.Println(icomefromalaska.MyName)25}26import (27func main() {28 fmt.Println(icomefromalaska.Reverse("!oG ,olleH"))29 fmt.Println(icomefromalaska.MyName)30}31import (32func main() {33 fmt.Println(icomefromalaska.Reverse("!oG ,olleH"))34 fmt.Println(icomefromalaska.MyName)35}

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Format

Using AI Code Generation

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1import "fmt"2func main() {3 fmt.Println("Hello, playground")4 fmt.Printf("Hello, %s5 fmt.Printf("Hello, %s6 fmt.Printf("Hello, %s7 fmt.Printf("Hello, %s8 fmt.Printf("Hello, %s9}10import "fmt"11func main() {12 fmt.Println("Hello, playground")13 fmt.Printf("Hello, %s14 fmt.Printf("Hello, %s15 fmt.Printf("Hello, %s16 fmt.Printf("Hello, %s17 fmt.Printf("Hello, %s18}19import "fmt"20func main() {21 fmt.Println("Hello, playground")22 fmt.Printf("Hello, %s23 fmt.Printf("Hello, %s24 fmt.Printf("Hello, %s25 fmt.Printf("Hello, %s26 fmt.Printf("Hello, %s27}28import "fmt"29func main() {30 fmt.Println("Hello, playground")31 fmt.Printf("Hello, %s32 fmt.Printf("Hello, %s33 fmt.Printf("Hello, %s34 fmt.Printf("Hello, %s35 fmt.Printf("Hello, %s36}37import "fmt"38func main() {39 fmt.Println("Hello, playground")40 fmt.Printf("Hello, %s41 fmt.Printf("Hello, %s42 fmt.Printf("Hello, %s43 fmt.Printf("Hello, %s44 fmt.Printf("Hello, %s45}

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Format

Using AI Code Generation

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1import "fmt"2func main() {3 fmt.Println("Hello, playground")4 fmt.Printf("%s", prog.Format())5}6import "fmt"7func Format() string {8 return fmt.Sprintf("Hello, playground")9}

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Format

Using AI Code Generation

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1import "fmt"2func main() {3 fmt.Printf("Hello, %s4}5import "fmt"6func main() {7 fmt.Println("Hello, world")8}9import "fmt"10func main() {11 fmt.Printf("Hello, %s12}13import "fmt"14func main() {15 fmt.Println("Hello, world")16}17import "fmt"18func main() {19 fmt.Printf("Hello, %s20}21import "fmt"22func main() {23 fmt.Println("Hello, world")24}25import "fmt

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Format

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1import "fmt"2func main() {3 fmt.Println("Hello World")4 fmt.Printf("Hello World")5}6GoLang Println() and Printf() with Formatting7import "fmt"8func main() {9 fmt.Printf("Hello %s10 fmt.Printf("Hello %s", "World")11}12As you can see in the above output, the first line is printed with a new line character (13GoLang Println() and Printf() with Formatting and Arguments14import "fmt"15func main() {16 fmt.Printf("Hello %s17 fmt.Printf("Hello %s", "World")18 fmt.Printf("Hello %s %s", "World", "!")19}20GoLang Println() and Printf() with Formatting and Multiple Arguments21import "fmt"22func main() {23 fmt.Printf("Hello %s %s", "World", "!")24}25GoLang Println() and Printf() with Formatting and Multiple Arguments26The Println()

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Format

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1import (2func main() {3 prog := prog{1, 2}4 fmt.Println(prog.Format())5}6import (7func main() {8 fmt.Println("Hello, playground")9}10import (11func main() {12 prog := prog{1, 2}13 fmt.Println(prog.Format())14}

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