alternation.rb in rley-0.6.01

- old
+ new
@@ -1,31 +1,27 @@
 # File: alternation.rb
 
-require_relative 'polyadic_expression'	# Access the superclass
+require_relative 'polyadic_expression' # Access the superclass
 
 module Regex # This module is used as a namespace
+  # Abstract class. A n-ary matching operator.
+  # It succeeds when one child expression succeeds to match the subject text
+  class Alternation < PolyadicExpression
+    # Constructor.
+    def initialize(*theChildren)
+      super(theChildren)
+    end
 
-# Abstract class. A n-ary matching operator. 
-# It succeeds when one child expression succeeds to match the subject text
-class Alternation < PolyadicExpression
-	
-	# Constructor.
-	def initialize(*theChildren)
-		super(theChildren)
-	end
+    protected
 
-  protected
+    # Conversion method re-definition.
+    # Purpose: Return the String representation of the concatented expressions.
+    def text_repr()
+      result_children = children.map(&:to_str)
+      result = '(?:' + result_children.join('|') + ')'
 
-	# Conversion method re-definition.
-	# Purpose: Return the String representation of the concatented expressions.
-	def text_repr()
-		result_children = children.map { |aChild| aChild.to_str() }
-		result =  '(?:' + result_children.join('|') + ')'
-		
-		return result
-	end
-
-end # class
-
+      return result
+    end
+  end # class
 end # module
 
-# End of file
\ No newline at end of file
+# End of file