lib/wayfarer/middleware/chain.rb in wayfarer-0.4.3 vs lib/wayfarer/middleware/chain.rb in wayfarer-0.4.4

@@ -1,9 +1,17 @@
 # frozen_string_literal: true
 
 module Wayfarer
   module Middleware
     Chain = Struct.new(:middlewares) do
+      extend Forwardable
+
+      def self.empty
+        new([])
+      end
+
+      delegate push: :middlewares
+
       def call(task)
         traverse = lambda do |i|
           if middlewares[i]
             middlewares[i].call(task) { traverse.call(i + 1) }
           elsif block_given?