OpenStruct

gistfile1.rb

<%= form_for OpenStruct.new(:message => ''), :url => ... do |f| %>
  <%= f.text_field :message %>
<% end %>


# config/initializers/open_struct_extensions.rb

class OpenStruct

  def respond_to?(symbol, include_private = false)
    true
  end

end

# Create object through OpenStruct
require "ostruct"
App = OpenStruct.new({
  :name => "Amitesh",
  :friend => OpenStruct.new({
    :name => "dexter"
  })
})