getter and setter

class TestSetterGetter
  attr_accessor :something

  def any_method
    self.something = "abc"
    #setter inside class, instead of @something
    puts something
    #getter inside class
  end
end

test = TestSetterGetter.new
test.something = "test"
# setter
puts test.something
# getter
#=> "test"
test.any_method
#=> "abc"

Reference

• Why isn't self always needed in ruby / rails / activerecord?
• Ruby/Rails: Understanding ruby getter-setter methods and instances
• 2.0 Instance Variables and Accessors
• Ruby on Rails 3: Setters and Getters and self inside a controller method
• attr_accessor vs attr_reader & instance variables
• Difference between @instance_variable and attr_accessor
• Does Ruby's attr_accessor automatically create instance variables for attributes?
• Private Accessors in Ruby
• The Elements of Style in Ruby #6: Attributes Redux