lib/parser/source/range.rb in parser-2.7.1.0 vs lib/parser/source/range.rb in parser-2.7.1.1

@@ -296,9 +296,18 @@
           @source_buffer == other.source_buffer
         (@begin_pos <=> other.begin_pos).nonzero? ||
         (@end_pos <=> other.end_pos)
       end
 
+      alias_method :eql?, :==
+
+      ##
+      # Support for Ranges be used in as Hash indices and in Sets.
+      #
+      def hash
+        [@source_buffer, @begin_pos, @end_pos].hash
+      end
+
       ##
       # @return [String] a human-readable representation of this range.
       #
       def inspect
         "#<Parser::Source::Range #{@source_buffer.name} #{@begin_pos}...#{@end_pos}>"