}
		*ptr = v
	default:
		panic(fmt.Sprintf("unsupported config field type %v", f.field.Type))
	}
	return nil
}

// isConfigurable returns true if name is either the name of a config field, or
// a valid value for a multi-choice config field.
func isConfigurable(name string) bool {
	_, ok := configFieldMap[name]
	return ok
}

// isBoolConfig returns true if name is either name of a boolean config field,

				if len(s) == 2 {
					value = s[1]
					if comment := strings.LastIndex(value, commentStart); comment != -1 {
						value = value[:comment]
					}
					value = strings.TrimSpace(value)
				}
				if isConfigurable(name) {
					// All non-bool options require inputs
					if len(s) == 1 && !isBoolConfig(name) {
						o.UI.PrintErr(fmt.Errorf("please specify a value, e.g. %s=<val>", name))
						continue
					}