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higher-kinded-lifecycle
A demonstration of an idea about how to represent the lifecycle of entities in Scala using higher-kinded types
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InfluxDB
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I proposed using it to model lifecycles of entities:
https://github.com/tim-group/higher-kinded-lifecycle/blob/ma...
(in this code, "idea" is a domain concept from the firm i worked for at the time - basically a recommendation to buy a stock, which is 'opened' on a certain date, and 'closed' when it no longer seems like a good recommendation)
My collegues didn't like it, and stuck to using separate types for objects in different stages of the lifecycle!