Functors, Applicatives, And Monads In Pictures - adit.io
Written April 17, 2013 updated: May 20, 2013 Here's a simple value: And we know how to apply a function to this value: Simple enough. Lets extend this by saying that any value can be in a context. For now you can think of a context as a box that you can put a value in: Now when you apply a function to this value, you'll get different results depending on the context. This is the idea that Functors
Why DCI Contexts?
In a recent reddit post and more generally on his website, Sandal raised some valid issues with DCI and in particular queried the value of DCI contexts to represent use-cases. In this article I will do my best to present some reasons as to why Contexts can be useful. What is a Context in DCI? When programming in a DCI style a context declares an interaction between a set of objects. It does this b
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