module ApplicationHelper
  # Usage:
  #
  #     render_haml <<-HAML, foo: "FOO"
  #       %p Hello #{foo}!
  #     HAML
  #
  def render_haml(template, locals)
    engine = Haml::Engine.new(template.gsub(/^#{template[/^\s+/]}/, ''))
    engine.render(self, locals)
  end
end