lib/lisp/interpreter/core/object.rb in lisp-interpreter-0.5.4 vs lib/lisp/interpreter/core/object.rb in lisp-interpreter-0.5.5

@@ -37,10 +37,10 @@
   def quote?
     start_with? '\''
   end
 
   def boolean?
-    ['#t', '#f'].include? self
+    self == TRUE || self == FALSE
   end
 
   def type
     fns = %w[list pair string number character boolean quote]
     fns.each { |t| return '<' + t + '>' if send t + '?' }