module Roda::RodaPlugins::MultiRoute::RequestMethods

is given, yield to the block.
If the named route does not handle the request, and a block
named routes. If so, call that named route. If not, do nothing.
Check if the first segment in the path matches any of the current

def multi_route(namespace=nil)
  on self.class.named_route_regexp(namespace) do |section|
    res = route(section, namespace)
    if defined?(yield)
      yield
    else
      res
    end
  end
end