Show HN: Functional Programming Strategies, the book I'm working on

- The author is writing a book (in-progress, titled "Functional Programming Strategies") aimed at developers who already know functional programming basics and want to learn practical, real-world patterns and design strategies — not just theory or academic concepts. - Functional programming (FP) is a programming paradigm that treats computation as evaluating mathematical functions and avoids changing state or mutable data. Languages like Haskell, Scala, Clojure, and Elm exemplify it, though FP ideas (map, filter, immutability) have seeped into mainstream languages like JavaScript, Python, and Java. - This matters because many FP resources are either too beginner-level (intro to map/reduce) or too academic (category theory). There's a gap for intermediate-to-advanced practitioners who want to apply FP effectively in production code — which this book aims to fill. - The "Show HN" tag means it was posted on Hacker News (news.ycombinator.com), a popular tech news and discussion site run by Y Combinator, where makers share side projects and get feedback from the developer community.