lib/dry/container/item/memoizable.rb in dry-container-0.7.1 vs lib/dry/container/item/memoizable.rb in dry-container-0.7.2

@@ -19,10 +19,10 @@
         # @raise [Dry::Container::Error]
         #
         # @return [Dry::Container::Item::Base]
         def initialize(item, options = {})
           super
-          raise_not_supported_error unless item.is_a?(::Proc)
+          raise_not_supported_error unless callable?
 
           @memoize_mutex = ::Mutex.new
         end
 
         # Returns the result of item call using a syncronized mutex