fix: require set, too

adamcooke · adamcooke · commit dfb027ca5e32 · 2021-02-17T12:53:40.000Z
diff --git a/lib/rapid/object_set.rb b/lib/rapid/object_set.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'set'
+
 module Rapid
   class ObjectSet < ::Set
 
