Ruby instance variables are accessible to a single object. But in rails, if I declare an instance variable in a controller, it is still accessible in the views. What is the architecture behind this?
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Ruby instance variables are accessible to a single object. But in rails, if I declare an instance variable in a controller, it is still accessible in the views. What is the architecture behind this?
Well, your controller calls
renderwhich renders your templates. So, the template code is being run within the scope of the controller instance. Therefore, you can use any instance variables declared.