changing MatchFailure#hash implementation so that it doesn't overflow

davidkellis · Nov 19, 2019 · e1a2719 · e1a2719
1 parent 90bbb33
commit e1a2719
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/matcher.cr b/src/matcher.cr
@@ -98,7 +98,7 @@ module Arborist
     end
 
     def hash
-      pos.hash + expr.hash + active_rule_name.hash
+      pos.hash ^ expr.hash ^ active_rule_name.hash
     end
 
     def ==(other)