a fork of a fork!

attr_splat_examples.rb

require 'attr_splat'

class Class
  class self.singleton
    # We don't do this by default, just to be safe. It's perfectly acceptable,
    # as attr_*'s API is fully backwards compatible.
    # 
    # Now every example below, attr_splat could safely be replaced with
    # attr_accessor
    alias_method :attr_accessor, :attr_splat
  end
end

# Reader-only examples
class Something
  # Ruby Core
  attr_reader :something
  # attr_*
  attr_splat :something, :writer => false
  
  # Ruby Core
  attr_reader :something, :something_else
  # attr_*
  attr_splat :something, :something_else, :writer => false
end

# Writer-only examples
class Something
  # Ruby Core
  attr_writer :something
  # attr_*
  attr_splat :something, :reader => false
  
  # Ruby Core
  attr_writer :something, :something_else
  # attr_*
  attr_splat :something, :something_else, :reader => false
end

# Accessor examples
class Something
  # Ruby Core
  attr_accessor :something
  # attr_*
  attr_splat :something
  
  # Ruby Core
  attr_accessor :something, :something_else
  # attr_*
  attr_splat :something, :something_else
end

# Initializer examples
class Something
  # Ruby Core
  attr_accessor :something
  def initialize
    @something = nil
  end
  # attr_*
  attr_splat :something, :initialize => true
  
  # Ruby Core
  attr_accessor :something, :something_else
  def initialize
    @something = nil
    @something_else = nil
  end
  # attr_*
  attr_splat :something, :something_else, :initialize => true
end

# Default value examples
class Something
  # Ruby Core
  attr_accessor :something
  def something
    @something ||= 123
  end
  # attr_*
  attr_splat :something, :default => 123
  
  # Ruby Core
  attr_accessor :something, :something_else
  def something
    @something ||= 123
  end
  def something_else
    @something_else ||= 123
  end
  # attr_*
  attr_splat :something, :something_else, :default => 123
end

# Initialized default value examples
class Something
  # Ruby Core
  attr_accessor :something
  def initialize
    @something = 123
  end
  # attr_*
  attr_splat :something, :initialize => true, :default => 123
  
  # Ruby Core
  attr_accessor :something, :something_else
  def initialize
    @something = 123
    @something_else = 123
  end
  # attr_*
  attr_splat :something, :something_else, :initialize => true, :default => 123
end