string cpu_device = "/job:localhost/replica:0/task:0/device:CPU:0";
        ops::Print print_op(s.WithOpName("print_", oidx)
                                .WithDevice(cpu_device)
                                .WithAssignedDevice(cpu_device),
                            new_output, {new_output},
                            ops::Print::Attrs{}
                                .Message(absl::StrCat("output ", oidx, " from ",

		}
	}()

	// print x
	if x == nil {
		p.printf("nil\n")
		return
	}
	p.print(reflect.ValueOf(x))
	p.printf("\n")

	return
}

// Print prints x to standard output, skipping nil fields.
// Print(fset, x) is the same as Fprint(os.Stdout, fset, x, NotNilFilter).
func Print(fset *token.FileSet, x any) error {
	return Fprint(os.Stdout, fset, x, NotNilFilter)
}

	"fmt.Printf":   true,
	"fmt.Println":  true,
	"fmt.Sprint":   true,
	"fmt.Sprintf":  true,
	"fmt.Sprintln": true,

	"runtime/trace.Logf": true,

	"log.Print":             true,
	"log.Printf":            true,
	"log.Println":           true,
	"log.Fatal":             true,
	"log.Fatalf":            true,
	"log.Fatalln":           true,
	"log.Panic":             true,
	"log.Panicf":            true,

	return
}

// Print formats using the default formats for its operands and writes to standard output.
// Spaces are added between operands when neither is a string.
// It returns the number of bytes written and any write error encountered.
func Print(a ...any) (n int, err error) {
	return Fprint(os.Stdout, a...)
}

// Sprint formats using the default formats for its operands and returns the resulting string.

	return fmt.Fprintf(writer, format, args...)
}

// Fprintln is a wrapper around fmt.Fprintln
func (tp *TextPrinter) Fprintln(writer io.Writer, args ...interface{}) (n int, err error) {
	return fmt.Fprintln(writer, args...)
}

// Printf is a wrapper around fmt.Printf
func (tp *TextPrinter) Printf(format string, args ...interface{}) (n int, err error) {
	return fmt.Printf(format, args...)
}

	}
	if err != nil {
		// Only print about the exit status if the command
		// didn't even run (not an ExitError) or it didn't exit cleanly
		// or we're printing command lines too (-x mode).
		// Assume if command exited cleanly (even with non-zero status)
		// it printed any messages it wanted to print.
		if e, ok := err.(*exec.ExitError); !ok || !e.Exited() || cfg.BuildX {
			fmt.Fprintf(os.Stderr, "go tool %s: %s\n", toolName, err)

	flag.Var(&value, name, usage)
	return &value
}

// triState implements flag.Value, flag.Getter, and flag.boolFlag.
// They work like boolean flags: we can say vet -printf as well as vet -printf=true
func (ts *triState) Get() interface{} {
	return *ts == setTrue
}

func (ts triState) isTrue() bool {
	return ts == setTrue
}

func (ts *triState) Set(value string) error {

	Too few arguments: %!verb(MISSING)
		Printf("hi%d"):            hi%!d(MISSING)
	Non-int for width or precision: %!(BADWIDTH) or %!(BADPREC)
		Printf("%*s", 4.5, "hi"):  %!(BADWIDTH)hi
		Printf("%.*s", 4.5, "hi"): %!(BADPREC)hi
	Invalid or invalid use of argument index: %!(BADINDEX)
		Printf("%*[2]d", 7):       %!d(BADINDEX)
		Printf("%.[2]d", 7):       %!d(BADINDEX)

All errors begin with the string "%!" followed sometimes

`

func printGoVersion(w io.Writer) {
	fmt.Fprintf(w, "### What version of Go are you using (`go version`)?\n\n")
	fmt.Fprintf(w, "<pre>\n")
	fmt.Fprintf(w, "$ go version\n")
	fmt.Fprintf(w, "go version %s %s/%s\n", runtime.Version(), runtime.GOOS, runtime.GOARCH)
	fmt.Fprintf(w, "</pre>\n")
	fmt.Fprintf(w, "\n")
}

func printEnvDetails(w io.Writer) {

	log.Print("Preparing trace for viewer...")
	parsed, err := parseTraceInteractive(tracef, traceSize)
	if err != nil {
		logAndDie(err)
	}
	// N.B. tracef not needed after this point.
	// We might double-close, but that's fine; we ignore the error.
	tracef.Close()

	// Print a nice message for a partial trace.
	if parsed.err != nil {