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better examples in ActiveModel readme

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shime committed Oct 19, 2012
1 parent b83e0c3 commit 2d2c82354fbde7769b898d476c4d161130504391
Showing with 15 additions and 1 deletion.
  1. +15 −1 activemodel/README.rdoc
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@@ -75,7 +75,11 @@ behavior out of the box:
* Tracking value changes
The ActiveModel::Dirty module allows for tracking attribute changes:
class Person
include ActiveModel::Dirty
attr_accessor :name
end
person = Person.new
person.name # => nil
@@ -152,6 +156,16 @@ behavior out of the box:
ActiveModel::Serialization provides a standard interface for your object
to provide +to_json+ or +to_xml+ serialization.
class SerialPerson
include ActiveModel::Serialization
attr_accessor :name
def attributes
{'name' => name}
end
end
s = SerialPerson.new
s.serializable_hash # => {"name"=>nil}
s.to_json # => "{\"name\":null}"

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