instance variables added in rails helpers are not available in views (templates)?

Question

I am trying to add some instance variables in helpers like the following:

module ApplicationHelper
 def title=(title)
   @title = title
 end

 def title
  @title
 end
end

and when I assign title in views/pages/index.html.erb like the following:

<% title = 'Listing Pages' %>

and try to show it in the views/layouts/application.html.erb like the following:

<%= title %>

it is showing as '' and after some debugging, looks like @title is not being set.

Why are the instance variables added in the helpers not available in the views (templates)?

Thanks in advance.

Answer 1

My guess is that Ruby thinks that what you are doing in

title = 'Listing Pages'

is as assignment to a local variable title.

Try to prefix it with self and see if it helps:

self.title = 'Listing Pages'