module Roda::RodaPlugins::Render::InstanceMethods

def _optimized_render_method_for_locals(template, locals)

path is not used and the long method needs to be used.
of the template render if the optimized path is used, or nil if the optimized
Use an optimized render path for templates with a hash of locals. Returns the result 
def _optimized_render_method_for_locals(template, locals)
  return unless method_cache = render_opts[:template_method_cache]
  locals_keys = locals.keys.sort
  key = [:_render_locals, template, locals_keys]
  optimized_template = case template
  when String, Symbol
    _cached_template_method_lookup(method_cache, key)
  else
    return
  end
  case optimized_template
  when Symbol
    optimized_template
  else
    if method_cache_key = _cached_template_method_key(key)
      template_obj = retrieve_template(render_template_opts(template, NO_CACHE))
      method_name = :"_roda_template_locals_#{self.class.object_id}_#{method_cache_key}"
      method_cache[method_cache_key] = case template_obj
      when Render::TemplateMtimeWrapper
        template_obj.define_compiled_method(self.class, method_name, locals_keys)
      else
        begin
          unbound_method = Render.tilt_template_compiled_method(template_obj, locals_keys, self.class)
        rescue ::NotImplementedError
          false
        else
          self.class::RodaCompiledTemplates.send(:define_method, method_name, unbound_method)
          self.class::RodaCompiledTemplates.send(:private, method_name)
          method_name
        end
      end
    end
  end
end