Chapter 4. Basic Pattern Matching
This chapter continues the study of functional programming foundations that the previous chapter opened. It covers basic data pattern matching. Pattern matching is an essential feature-rich mechanism of powerful data processing that is embedded into the F# language's core.
A good grasp of the F# pattern matching features is an absolute must for an enterprise developer because most of the time, enterprise business is revolving around sophisticated data transformations in Line Of Business (LOB) applications (https://blogs.msdn.microsoft.com/dragoman/2007/07/19/what-is-a-lob-application/) and along Extract Transform Load (ETL) (https://en.wikipedia.org/wiki/Extract,_transform,_load) cycles in data warehousing and business analytics.
I intentionally narrowed down the subject of this chapter to basic pattern matching for a merely didactic reason. Usually, F# beginners first grasp pattern matching as an imperative switch on steroids or just...