lib/sycamore/path.rb in sycamore-0.3.0 vs lib/sycamore/path.rb in sycamore-0.3.1

@@ -1,5 +1,7 @@
+require 'forwardable'
+
 module Sycamore
 
   ##
   # A compact, immutable representation of Tree paths, i.e. node sequences.
   #
@@ -19,10 +21,11 @@
   #   pure Array-based implementation (where tree nodes are duplicated), esp. in
   #   the most common use case of property-value structures.
   #
   class Path
     include Enumerable
+    extend Forwardable
 
     attr_reader :node, :parent
 
     ########################################################################
     # @group Construction
@@ -72,9 +75,11 @@
     end
 
     ########################################################################
     # @group Elements
     ########################################################################
+
+    def_delegators :to_a, :[], :fetch
 
     ##
     # Returns a new path based on this path, but with the given nodes extended.
     #
     # @param nodes [nodes] an arbitrary number of nodes