immutable-ruby.md

Immutable Ruby

Libraries I talked about

• ice_nine: Deep freeze ruby objects
• Values: Simple immutable value objects for ruby
• immutable_attributes: specify attributes within an ActiveRecord model that can be set but not modified
• hamster: Efficient, Immutable, Thread-Safe Collection classes for Ruby

Next Steps

Learn one of these language

• Clojure
• Haskell
• Erlang

Rich Hickey talks

• The Value of Values
• Simple Made Easy
• The Database as a Value
• Persistent Data Structures and Managed References

Value Objects literature

• Domain Driven Design
• c2 Wiki

Gary Bernhardt talks

• Boundaries
• Functional Core/Imperative Shell (Subscription required)

Event Sourcing

• Martin Fowler