Aldric Giacomoni wrote:
> John Merlino wrote:
>> Hey all,
>>
>> Can't find a good explanation of options={}. Specifically I'm not sure
>> of its role in this given line of code:
>>
>> helper file:
>>
>> def render_show_actions(resource, actions, options={})
>> commands = actions.map do |action|
>> send "render_show_action_#{action}", resource, options
>> end
>>
>> controller:
>>
>> def render_show_action_pass(student, options={})
>> @template.link_to "pass", pass_student_path(student), :method =>
>> :get
>> end
>> helper_method :render_show_action_pass
>>
>> It appears that the action in the helper dynamically builds the action
>> in controller. But then the question is what is options doing there and
>> which method is calling which?
>>
>> Thanks for any suggestions.
>
>
> def wow array=[1]
> array
> end
>
> wow
>
> copy and paste this in IRB and you'll understand. "options={}" says that
> if no variable is passed for 'options', make it an empty hash.
> The rest of the code should make some more sense.
Yup. If you're having trouble with this, please review your basic Ruby
syntax.
Best,
--
Marnen Laibow-Koser
http://www.marnen.org
[email protected]
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