Ruby » Archive91

class Object

  define_method 'dynamically_defined_method' do

    puts "hello from a dynamically defined method!"

  end

end

module SomeEnumerator

  # pretend to be an enumerable over one thing (:foo)

  def self.each

    begin

      # yield to the block passed from whatever Enumerable method

      yield :foo

    ensure

      dynamically_defined_method

      puts "done with the dynamically defined method"

    end

  end

  extend Enumerable

end

# these all segfault 

SomeEnumerator.detect{true} # => :foo

SomeEnumerator.any?{true} # => true

SomeEnumerator.all?{false} # => false

SomeEnumerator.include?(:foo) # => true