lib/intercom/shallow_hash.rb in intercom-0.0.3 vs lib/intercom/shallow_hash.rb in intercom-0.0.4

@@ -1,6 +1,7 @@
 module Intercom
-  class ShallowHash < Hash #:nodoc:
+  # Sub-class of {Hash} which doesn't allow {Array} or {Hash} values.
+  class ShallowHash < Hash
     def []=(key, value)
       raise ArgumentError.new("custom_data does not support nested data structures (key: #{key}, value: #{value}") if value.is_a?(Array) || value.is_a?(Hash)
       super(key, value)
     end
   end