# File lib/merb-helpers/form/helpers.rb, line 19
  def _new_form_context(name, builder)
    if name.is_a?(String) || name.is_a?(Symbol)
      ivar = instance_variable_get("@#{name}")
    else
      ivar, name = name, name.class.to_s.snake_case.split('::').last
    end
    builder ||= current_form_context.class if current_form_context
    (builder || self._default_builder).new(ivar, name, self)
  end