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pure-function-as-an-object's Introduction

Pure Function As An Object (PFAAO) Pattern Demonstration

This is a tiny project to demonstrate the PFAAO pattern. It converts a JSON document to an XML document. The accompanying article article is available here: http://www.rubypigeon.com/posts/the-pure-function-as-an-object-pfaao-pattern/

Running The Code

First, install the dependencies with:

bundle install

Then run the code with:

bundle exec ruby convert.rb

Acknowledgements

The input.json data set comes from JSON Studio website:

http://jsonstudio.com/resources/

This pattern is inspired and influenced by all of Rich Hickey's Clojure talks and Casey Muratori's API design talks.

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eric1234

pure-function-as-an-object's Issues

Avoid calling private methods with `.send`

I like your whole approach and the way you structure your code.
There is only one thing that hurts me a bit. In .convert you call #send(:xml). With this you 'cheat' on your own implementation.
To get around this you could call #xml in your initializer. I don't know whether this is the right solution to the problem though :)

I would love to hear about your thoughts regarding this topic.

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