class Roda::RodaPlugins::HashRoutes::DSL

def dispatch_from(namespace='', branch, &block)

dispatching to routes in this namespace.
namespace. If a block is given, call the block with the request before
Setup the given branch in the given namespace to dispatch to routes in this 
def dispatch_from(namespace='', branch, &block)
  ns = @namespace
  if block
    meth_hash = @roda.opts[:hash_routes_methods]
    key = [:dispatch_from, namespace, branch].freeze
    meth = meth_hash[key] = @roda.define_roda_method(meth_hash[key] || "hash_routes_dispatch_from_#{namespace}_#{branch}", 1, &block)
    @roda.hash_branch(namespace, branch) do |r|
      send(meth, r)
      r.hash_routes(ns)
    end
  else
    @roda.hash_branch(namespace, branch) do |r|
      r.hash_routes(ns)
    end
  end
end