monadic_expression.rb in rley-0.6.01

- old
+ new

@@ -1,31 +1,28 @@
 # File: monadic_expression.rb
 
-require_relative "compound_expression"	# Access the superclass
+require_relative 'compound_expression' # Access the superclass
 
 module Regex # This module is used as a namespace
+  # Abstract class. An element that is part of a regular expression &
+  # that can have up to one child sub-expression.
+  class MonadicExpression < CompoundExpression
+    # The (optional) child sub-expression
+    attr_reader(:child)
 
-# Abstract class. An element that is part of a regular expression &  
-# that can have up to one child sub-expression.
-class MonadicExpression < CompoundExpression
-	# The (optional) child sub-expression
-	attr_reader(:child)
-	
-	# Constructor.
-	def initialize(theChild)
-		super()	
-		@child = theChild
-	end
-	
-protected
-	# Return the text representation of the child (if any)
-	def all_child_text()
-		result = child.nil? ? '' : child.to_str()
-		
-		return result
-	end
+    # Constructor.
+    def initialize(theChild)
+      super()
+      @child = theChild
+    end
 
-end # class
+    protected
+  
+    # Return the text representation of the child (if any)
+    def all_child_text()
+      result = child.nil? ? '' : child.to_str
 
+      return result
+    end
+  end # class
 end # module
-
-# End of file
\ No newline at end of file
+# End of file