nodes.rb in y_petri-2.4.0

- old
+ new

@@ -3,27 +3,27 @@
 class YPetri::Simulation
   # An array of simulation-owned places and/or transitions.
   # 
   class Nodes < Array
     ★ Dependency
-    
+
     class << self
       # New collection constructor
       # 
       def load collection
         new.tap { |inst| inst.load collection }
       end
     end
-    
+
     delegate :simulation, to: "self.class"
-    
+
     # Loads nodes to this collection.
     # 
     def load nodes
       nodes.each{ |node| push node }
     end
-    
+
     # Creates a subset of this collection (of the same class).
     # 
     def subset nodes=nil, &block # TODO: Rename to subarray
       if block_given? then
         fail ArgumentError, "If block given, arguments not allowed!" unless
@@ -35,10 +35,10 @@
         nn.all? { |node| include? node } or
           fail TypeError, "All subset elements must be in the collection."
         self.class.load( nn )
       end
     end
-    
+
     # Returns an array of the node sources (nodes in the underlying net).
     # 
     def sources
       map &:source
     end