Ruby on Rails

Frederick Cheung wrote in post #1013993:
> On Jul 31, 1:03pm, 7stud -- <li...@ruby-forum.com> wrote:
>> It follows that the line:
>>
>> <%= current_user.name %>
>>
>> actually does this:
>>
>> <%= current_user().name %>
>
> Punctuation is usually optional in ruby when this doesn't introduce
> ambiguities.
>
>>
>> What I found to be a new concept in this section of the book is that we
>> can
>> call methods in the view that are inherited by the
>> controller:
>
> You can't. The reason why the methods in SessionsHelper can be used in
> the view is that (by default) all the helpers in app/helpers are
> included in views.
> When you add the method directly to the controller then this no longer
> holds and so the view can't find the method

Ahh. Okay.

What do you think about this:

> def current_user
> @current_user ||= user_from_remember_token
> end
>
> I see two problems with that function. First off, that is a getter
> function, yet it can set the @current_user variable. Getter functions
> should not set instance variables. Secondly, the function directly sets
> the @current_user variable instead of calling the current_user= setter
> function.

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