Ruby Method Encapsulation Alternative

ruby-alt-method-encapsulation.rb

class MyClass
  # define method 1 through 4 without and encapulation directives ...
  
  public    :method1, :method4
  protected :method2
  private   :method3
end

a = MyClass.new

puts MyClass.class_method # => class_method
puts a.method1 # => method1
puts a.method2 # => protected method `method2' called for ... (NoMethodError)
puts a.method3 # => private method `method3' called  for ... (NoMethodError)
puts a.method4 # => method4