go-delve/delve · error

wrong argument %q to watch

Error message

wrong argument %q to watch

What it means

Error "wrong argument %q to watch" thrown in go-delve/delve.

Source

Thrown at pkg/terminal/command.go:2088

		return runEditor(fmt.Sprintf("+%d", lineno), file)
	}
}

func watchpoint(t *Term, ctx callContext, args string) error {
	v := strings.SplitN(args, " ", 2)
	if len(v) != 2 {
		return errors.New("wrong number of arguments: watch [-r|-w|-rw] <expr>")
	}
	var wtype api.WatchType
	switch v[0] {
	case "-r":
		wtype = api.WatchRead
	case "-w":
		wtype = api.WatchWrite
	case "-rw":
		wtype = api.WatchRead | api.WatchWrite
	default:
		return fmt.Errorf("wrong argument %q to watch", v[0])
	}
	bp, err := t.client.CreateWatchpoint(ctx.Scope, v[1], wtype)
	if err != nil {
		return err
	}
	fmt.Fprintf(t.stdout, "%s set at %s\n", formatBreakpointName(bp, true), t.formatBreakpointLocation(bp))
	return nil
}

func examineMemoryCmd(t *Term, ctx callContext, argstr string) error {
	args, err := api.ParseExamineMemoryArg(argstr)
	if err != nil {
		return err
	}

	var address uint64

	if args.IsExpr {

View on GitHub (pinned to a23773e6c3)

When it happens

Trigger: Thrown at pkg/terminal/command.go:2088 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of go-delve/delve@a23773e6c3 (2026-08-31). Data as JSON: /api/errors/7ae2edddbfd347e4. Report an issue: GitHub.