Frozen string issue fix.

gonzedge · Jun 9, 2020 · fa6cce5 · fa6cce5
1 parent 65c9be7
commit fa6cce5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/rambling/trie/stringifyable.rb b/lib/rambling/trie/stringifyable.rb
@@ -19,7 +19,7 @@ def as_word
       # String representation of the current node.
       # @return [String] the string representation of the current node.
       def to_s
-        parent.to_s << letter.to_s
+        parent.to_s + letter.to_s
       end
     end
   end