lib/vedeu/models/line.rb in vedeu-0.4.27 vs lib/vedeu/models/line.rb in vedeu-0.4.28

@@ -49,10 +49,10 @@
     # @return [Array]
     # @see Vedeu::Stream
     def chars
       return [] if empty?
 
-      streams.flat_map(&:chars)
+      @chars ||= streams.flat_map(&:chars)
     end
 
     # Returns a boolean indicating whether the line has content.
     #
     # @return [Boolean]