Yeah. That's pretty much the same features. Well no harm in asking ! Thanks 
for pointing that out.

Em quinta-feira, 10 de agosto de 2017 09:01:34 UTC-3, Roque Pinel escreveu:
>
> Please see https://github.com/rails/rails/pull/11908
>
> On Thursday, August 10, 2017 at 5:21:34 AM UTC-4, Bruno Sofiato wrote:
>>
>> Hi guys. 
>>
>> How do you feel about an enhancement to Rails' *delegate *method that 
>> enables us to define an arbitrary value which is bound to be returned 
>> whenever the delegation target is *nil* ? 
>>
>> I've came across an use case on which I was required to do so.  What I 
>> did was include the *on_nil: *option to *delegate*. I can use this new 
>> option the value that should be returned. The value can be either a literal 
>> or a Proc. When *on_nil *is not supplied the current behavior is 
>> followed (i.e. *nil *is returned). Here is an example:
>>
>> class User < ActiveRecord::Base
>>>   has_one :profile 
>>>   delegate :age, to: :profile, allow_nil: true, on_nil: 21
>>> end
>>
>>
>>> User.new.age # 21 
>>
>>
>> Do you guys think this would be an useful enhancement to Rails' core ?
>> Best Regards
>>
>>
>>

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