lib/interpreter/interpreter.rb in nudge-0.1.2 vs lib/interpreter/interpreter.rb in nudge-0.1.3

@@ -18,12 +18,12 @@
     attr_accessor :last_name, :evaluate_references
     attr_accessor :sensors
     
     
     # A program to be interpreted can be passed in as an optional parameter
-    def initialize(params = {})
-      initialProgram = params[:program] || nil
+    def initialize(program = nil, params = {})
+      initialProgram = program
       @program = initialProgram
       @types = params[:types] || NudgeType.all_types
       @step_limit = params[:step_limit] || 3000
       @sensors = Hash.new
       
@@ -55,10 +55,10 @@
     def reset(program=nil)
       @program = program
       self.clear_stacks
       self.reset_names
       self.reset_sensors
-      if program
+      if !program.nil?
         @stacks[:exec].push(NudgeProgram.new(program).linked_code)
       end
       @steps = 0
       @evaluate_references = true
     end
\ No newline at end of file