solnic/virtus — Issue #50: Track changed attributes
Author: jingweno
Created: 2012-01-03 09:28:33+00:00
State: open

Would it make sense for virtus to track changed attributes so that the mapper can choose what fields to update?

```ruby
u = User.new
u.name = 'foo'
u.changed_attributes # {:name => 'foo'}
```