kind.rb in kind-1.4.0

- old
+ new

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 require 'kind/version'
 require 'kind/undefined'
-require 'kind/optional'
+require 'kind/maybe'
 require 'kind/error'
 require 'kind/is'
 require 'kind/checker'
 require 'kind/of'
 require 'kind/types'
@@ -99,11 +99,11 @@
     def self.Callable(object = Undefined, options = {})
       default = options[:or]
 
       return Kind::Of::Callable if object == Undefined && default.nil?
 
-      callable = object.nil? ? default : object
+      callable = object || default
 
       return callable if callable.respond_to?(:call)
 
       raise Kind::Error.new('Callable'.freeze, callable)
     end
@@ -111,10 +111,12 @@
     const_set(:Callable, ::Module.new do
       extend Checker
 
       def self.__kind; Object; end
 
-      def self.class?(value); Kind::Is::Callable(value); end
+      def self.class?(value)
+        Kind::Is::Callable(value)
+      end
 
       def self.instance?(value);
         value.respond_to?(:call)
       end
     end)