lib/mongoid/matcher/in.rb in mongoid-8.1.7 vs lib/mongoid/matcher/in.rb in mongoid-9.0.0

@@ -1,9 +1,24 @@
+# rubocop:todo all
 module Mongoid
   module Matcher
 
+    # In-memory matcher for $in expression.
+    #
+    # @see https://www.mongodb.com/docs/manual/reference/operator/query/in/
+    #
     # @api private
     module In
+
+      # Returns whether a value satisfies an $in expression.
+      #
+      # @param [ true | false ] exists Not used.
+      # @param [ Object ] value The value to check.
+      # @param [ Array<Object> ] condition The $in condition predicate.
+      #
+      # @return [ true | false ] Whether the value matches.
+      #
+      # @api private
       module_function def matches?(exists, value, condition)
         unless Array === condition
           raise Errors::InvalidQuery, "$in argument must be an array: #{Errors::InvalidQuery.truncate_expr(condition)}"
         end
         if Array === value