Free PDF Mastering Ruby Closures: A Guide to Blocks, Procs, and Lambdas
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Mastering Ruby Closures: A Guide to Blocks, Procs, and Lambdas
Free PDF Mastering Ruby Closures: A Guide to Blocks, Procs, and Lambdas
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Review
"This is an excellent book for experienced Ruby developers to add functional programming paradigms to their toolkit. This book gives excellent examples of blocks, Procs, and lambdas and ways to use them in your existing application."- Jeffrey Holland, Ackmann & Dickenson"I've been a Rubyist for over a decade, and I still learned several new techniques and how to avoid gotchas with Procs, lambdas, and blocks. This book is also perfect for the Ruby/Rails developer who wants to feel confident when consuming or writing libraries that use Ruby's closures.Easy to understand, interesting examples, and a solid reference."- Matthew Margolis, Getty Images"You've probably called methods that take in a block, but if you've not written a method that takes in a block, I highly recommend this book to you. Once you're through with the book, you'll be able to explain how [1, 2, 3].map(&:to_s) works with confidence.I've always been a fan of Benjamin's writing because every concept is always followed up by real-world examples, which makes it easier for the reader to grok the concepts being taught."- Tan Guo Xiang, Civilized Discourse Construction Kit"I never heard Ruby can do closures, but Mastering Ruby Closures brought me from zero to hero in just a few hours! Don't be afraid, and take a look yourself!"- GaÌbor LaÌszloÌ Hajba, Zühlke Engineering
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About the Author
Benjamin Tan Wei Hao is the author of The Little Elixir and OTP Guidebook and has spoken at Ruby conferences about Elixir. When he's not reading, writing, or playing with his daughter Audrey, you will find him developing software for autonomous vehicles at EasyMile, Singapore. He blogs at benjamintan.io and you can follow him on Twitter @bentanweihao.
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Product details
Paperback: 96 pages
Publisher: Pragmatic Bookshelf; 1 edition (August 26, 2017)
Language: English
ISBN-10: 1680502611
ISBN-13: 978-1680502619
Product Dimensions:
7.5 x 0.2 x 9.2 inches
Shipping Weight: 6.4 ounces (View shipping rates and policies)
Average Customer Review:
5.0 out of 5 stars
2 customer reviews
Amazon Best Sellers Rank:
#857,293 in Books (See Top 100 in Books)
This is a great little book on learning closures. Yes, you can probably find everything you learn in this book online for free but you’ll end up spending more time and a lot of effort in piecing together the bits of knowledge. Ben spoon feeds it to you in easy steps.The entire book is only about 75 pages but there are plenty of examples as well as quizzes at the end of each chapter to help you learn the material. You can probably read everything in just an afternoon but it will take you a lot longer to master the topic.This book is most definitely for Rubyists that are intermediate level and up. I for one will be referring and reading this multiple times until the topic becomes more ingrained.
The author does a great job covering the concept of closures and their implication to turn a language, Ruby in this case, that doesn't have traditional function concept into a full blown functional programming language using concepts of lexical scoping, free variables, and lambdas. Many consider OOP and FP as two different programming paradigms. But after reading this book, one might conclude that OOP is merely a specific case of FP, which is far more powerful and expressive
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