Its been a year since I started with my contributions to the Scala community, in particular to / . I have worked on different parts of the project including testing it and benchmarking it, yet I most proud of implementing in a pure functional fashion. We call it . Typelevel Dogs Discrete Interval Encoding Tree Diet is quite interesting since it stores ranges of a type and can operate on those ranges in a very smart way. A problem with this particular data structure is that even thought it is not that complicated, people have hard times understanding it. With we have done some work on documenting the libraries, yet, (and others) are sometimes hard to explain. Diet A Dogs Diet Here comes RefTree is a project I came across recently for visualizing data structures and it is helping us now to write a cleaner documentation. RefTree Using RefTree we can visualize data structures in a really easy way. Let’s explore this project a bit. If you look at the demo and examples you will find visualizations like these ones. First, let’s add some libs to our sbt file. Notice we are also including dogs. Let’s do some imports and create an instance of which is required to create the visualizations. Diagram The options we used for creating a are self describing. Diagram Let’s build a empty and then visualize it. Diet In here we defined a way to covert to and use it for rendering . This will create the following image. Diet[A] RefTree empty Let’s add values to our empty Diet and render it again. We can now create a Diet of a single node and remove a subrange. This will give us back and animation representing the transformations on d A more interesting example could be the following. Just notice that we are using which is a function from RefTree to construct data structures easily. The result will be the following animation. Utils.iterate Personally, I believe this library (RefTree) has a lot of potential and use cases. We are already adding animations to documentation to make the data structures we built easier to understand and use. Dogs Although the RefTree API is still young, it works quite well and its maintainer was of a lot of help while we built our demo. Thank you, for this awesome lib. @nickstanch

Using RefTree for Visualizing Data Structures

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