if !interactiveMode {
					return viewer.Wait()
				}
				return nil
			}
		}
		return err
	}
}

// stringToBool is a custom parser for bools. We avoid using strconv.ParseBool
// to remain compatible with old pprof behavior (e.g., treating "" as true).
func stringToBool(s string) (bool, error) {
	switch strings.ToLower(s) {
	case "true", "t", "yes", "y", "1", "":
		return true, nil

		if err != nil {
			return err
		}
		*ptr = v
	case *float64:
		v, err := strconv.ParseFloat(value, 64)
		if err != nil {
			return err
		}
		*ptr = v
	case *bool:
		v, err := stringToBool(value)
		if err != nil {
			return err
		}
		*ptr = v
	default:
		panic(fmt.Sprintf("unsupported config field type %v", f.field.Type))
	}
	return nil
}