Both ActionView::Helpers::FormBuilder#object() and
ActiveRecord::Persistence#new_record?() exist in rails 3. Here is how
"Ruby on Rails 3 Tutorial" uses them:
<%= form_for(@user) do |f| %>
<%= render 'some/partial', :object => f.object %>
Then a local variable named 'object' is available in the partial and it
is equal to @user (at least that is the way things appear to work).
class User < ActiveRecordBase
...
...
def some_action
if new_record?
#do something
end
end
> and rails 3 seems angry about the
> fields_for that defines person_form in Rails 2
You should post your code.
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