Does the fact that Rails have an MVC approach mean that is has dependency injection?
Or is there a reason that we don't talk about dependency injection in Rails?
If Rails does have dependency injection, what does it consist of?
5 Answers
Dependency Injection is a paradigm, so it exists in every object-oriented language.
Whether there are DI frameworks for Ruby - check this question
Dependency injection is usually unnecessary with Ruby. Jamis Buck blogged extensively about the reasons why. Well worth a read.
I'd say that you don't need such a thing with ruby... but if you really want to, some people have workarounds.
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