They are not equivalent. One will return false and the other nil.
Em 05/03/2014 15:00, "Carlos Antonio da Silva" <
[email protected]> escreveu:
> Or wrap with ():
>
> *link_to(post.title, post, class: ["post", ("active" if post.active?)])*
>
>
> On Wed, Mar 5, 2014 at 2:47 PM, Nicolás Sanguinetti <
> [email protected]> wrote:
>
>> Sorry, it should be ["post", post.active? && "active"]
>>
>>
>> On Wed, Mar 5, 2014 at 3:23 PM, Stefan Schüßler <[email protected]> wrote:
>>
>>> That array syntax is invalid.
>>>
>>> On Wednesday, March 5, 2014 6:16:01 PM UTC+1, Nicolás Sanguinetti wrote:
>>>
>>>> You can pass Arrays to the `class:` option and it will do what you
>>>> expect it to:
>>>>
>>>> link_to(post.title, post, class: ["post", "active" if post.active?])
>>>>
>>>> Cheers,
>>>> -foca
>>>>
>>>>
>>>> On Wed, Mar 5, 2014 at 1:36 PM, Stefan Schüßler <[email protected]>wrote:
>>>>
>>>>> When dealing with conditional class attribute values in HTML tags, I
>>>>> often find myself writing code like:
>>>>>
>>>>> link_to(post.title, post, class: "post #{post.active? ? "active" :
>>>>> ""}")
>>>>>
>>>>> The code would be much cleaner if we allowed a hash syntax:
>>>>>
>>>>> link_to(post.title, post, class: {"post" => true, "active" =>
>>>>> post.active?})
>>>>>
>>>>> The implementation is straightforward:
>>>>>
>>>>> https://github.com/sos4nt/rails/commit/
>>>>> a9ed04f75ce9db46af6cbdefa64dfb09fb3eb73a
>>>>>
>>>>> What do you think?
>>>>>
>>>>> -Stefan
>>>>>
>>>>> --
>>>>> You received this message because you are subscribed to the Google
>>>>> Groups "Ruby on Rails: Core" group.
>>>>> To unsubscribe from this group and stop receiving emails from it, send
>>>>> an email to [email protected].
>>>>> To post to this group, send email to [email protected].
>>>>>
>>>>> Visit this group at http://groups.google.com/group/rubyonrails-core.
>>>>> For more options, visit https://groups.google.com/groups/opt_out.
>>>>>
>>>>
>>>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "Ruby on Rails: Core" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to [email protected].
>> To post to this group, send email to [email protected].
>> Visit this group at http://groups.google.com/group/rubyonrails-core.
>> For more options, visit https://groups.google.com/groups/opt_out.
>>
>
>
>
> --
> At.
> Carlos Antonio
>
> --
> You received this message because you are subscribed to the Google Groups
> "Ruby on Rails: Core" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To post to this group, send email to [email protected].
> Visit this group at http://groups.google.com/group/rubyonrails-core.
> For more options, visit https://groups.google.com/groups/opt_out.
>
--
You received this message because you are subscribed to the Google Groups "Ruby
on Rails: Core" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/rubyonrails-core.
For more options, visit https://groups.google.com/groups/opt_out.
