Ruby Gotchas: private self.method (solution)

ruby_gotchas_private_self_method_solution.rb

class Foo

  class << self
    private    
    def bar
      puts 'Class method called'
    end    
  end
  
  def self.baz
    puts 'Another class method called'
  end
  private_class_method :baz
  
end

Foo.bar # => NoMethodError: private method `bar' called for Foo:Class
Foo.baz # => NoMethodError: private method `baz' called for Foo:Class