examples/enumerating.rb in protocol-1.0.1 vs examples/enumerating.rb in protocol-2.0.0

@@ -1,15 +1,9 @@
-require 'protocol'
+#!/usr/bin/env ruby
 
-Enumerating = Protocol do
-  # Iterate over each element of this Enumerating class and pass it to the
-  # _block_.
-  def each(&block) end
+require 'protocol/core'
 
-  include Enumerable
-end
-
 begin
   class FailAry
     def initialize
       @ary = [1, 2, 3]
     end
@@ -17,13 +11,14 @@
     def each()
     end
 
     conform_to Enumerating
   end
-  puts "Should have thrown Protocol::CheckFailed!"
 rescue Protocol::CheckFailed => e
   p e # => "Enumerating#each(0&): expected a block argument for FailAry"
+else
+  puts "Should have thrown Protocol::CheckFailed!"
 end
 
 class Ary
   def initialize
     @ary = [1, 2, 3]
@@ -37,11 +32,9 @@
 end
 
 puts Ary.new.map { |x| x * x }.inspect      + " ([1, 4, 9])"
 puts Ary.conform_to?(Enumerating).to_s      + " (true)"
 puts Ary.new.conform_to?(Enumerating).to_s  + " (true)"
-
-Enumerating.check_failure :none
 
 class FailAry2
   def initialize
     @ary = [1, 2, 3]
   end