Andy's blog

之前初看时一直没搞明白这玩意是干啥的，今天突然有点理解了，更新下，先看例子就能明白，同样的道理也能明白attr_reader,attr_writer

class Test
  attr_accessor :name

  def initialize(name)
    @name = name
  end
  def say
    p name
  end
end

test = Test.new('andy')
test.name= 'jack'
test.say # "jack"

# attr_accessor等同于创造了两个方法
class Test
  def initialize(name)
    @name = name
  end

  def name
    @name
  end

  def name=(name)
    @name = name
  end

  def say
    p name
  end
end

test = Test.new('andy')
test.name = 'jack'
test.say # 'jack'

Ruby attr_accessor