code: func (b *BigIP) IRule(name string) (*IRule, error) {
  	var rule IRule
  	err, ok := b.getForEntity(&rule, uriLtm, uriIRule, name)
  	if err != nil {
  		return nil, err
  	}
  	if !ok {
  		return nil, nil
  	}
  	return &rule, nil
  }
docs: // IRule returns information about the given iRule.