Ruby – generate attr_accessor for ivars

Input

``` python
class Barney:
  def __init__(self):
    self.status = 'not ok'
barney = Barney()
barney.status = "ok"
print(barney.status)
```

Output

``` ruby
class Barney
  def initialize
    @status = 'not ok'
  end

end

barney = Barney.new
barney.status = 'ok'
puts barney.status
```

Error

`undefined method `status=' for #<Barney:0x007f837084d190 @status="not ok"> (NoMethodError)`
