bernat/best_in_place — Issue #100: display_as not returning 
Author: BobWalsh
Created: 2012-02-06 20:07:51+00:00
State: open

in bankaccount model I have:

def mk_bal
ActionController::Base.helpers.number_to_currency(self.balance, :precision => 2)
end

in /show.rb I have:

<%= best_in_place @bankaccount, :balance, :display_as => :mk_bal %>

Value is displayed as ($1,234.56). After editing, new value displayed as 55555.

(Rails 3.2.1)