Method: Mongoid::Dirty::InstanceMethods#changed

Defined in:

lib/mongoid/dirty.rb

#changed ⇒ Object

Gets the names of all the fields that have changed in the document.

Example:

person = Person.new(:title => "Sir")
person.title = "Madam"
person.changed # returns [ "title" ]

Returns:

An Array of changed field names.

# File 'lib/mongoid/dirty.rb', line 63

def changed
  modifications.keys
end