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Anotace knihy

Have you ever built a web API in a language you love, only to watch it slow down as user traffic grows? Have you ever pushed new code on a Friday, only to be woken up by a late-night alert for a NoMethodError: undefined method '[]' for nil:NilClass?

We've all been there. You feel stuck. You love the productivity of your dynamic language, but you're paying a heavy price with runtime errors and performance bottlenecks. You're told the only solution is to rewrite everything in a "faster" language that's complex and difficult to write.

But what if you didn't have to compromise? What if you could keep the beautiful, expressive syntax you love and get the power of a compiler that catches your errors before they ever reach your users?

That is the exact promise of Crystal, and this book is your guide to unlocking it.

What's inside

This book is a project-based journey. I'll show you everything you need to know to build high-quality applications. Inside, you'll learn how to:

• Get Started Fast: Set up your development environment and run your first compiled Crystal program in minutes.
• Master the Fundamentals: Understand Crystal's clean syntax, its type system, and its powerful collection types like Array, Hash, and Tuple.
• Organize Your Code: Go beyond simple scripts by defining your own classes, structs, and modules, just like a professional.
• Build a Complete Project: We will build a persistent command-line Task Manager from start to finish, applying every concept we learn.
• Unlock True Speed: Learn to write incredibly fast, non-blocking applications using Crystal's simple concurrency model with fibers and channels.
• Write Confident Code: Use Crystal's built-in testing framework, spec, to create a safety net for your code.
• Join the Ecosystem: Use Shards to pull in and manage powerful community libraries.
• Go Further: Get an introduction to advanced topics like macros and seamless C-library interoperability.

Who it's meant for

I wrote this book for you: the practical, curious developer. You are likely familiar with another language like Ruby, Python, PHP, or JavaScript.

• You appreciate a clean, readable syntax that lets you be productive.
• You are tired of runtime errors and want the confidence that a compiler provides.
• You're curious about how to build faster, more efficient applications without sacrificing your joy of coding.

This book is your next step. It assumes you know the basics of programming, but it requires no prior experience with Crystal.

Stop compromising between developer happiness and application performance. It's time to use a tool that gives you both.

If you're ready to write code that is fast, type-safe, and readable, then this is the book for you. You won't just read about a language; you'll build a real, working application.

Grab your copy of Crystal Programming: A Hands-On Guide, and let's start building better, faster software today.

Parametry knihy

• Plný název: Crystal Programming
• Podnázev: A Hands-On Guide to Building Fast, Type-Safe, and Readable Applications
• Autor: Peter J. Morales
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 250
• EAN: 9798271278891
• ID: 50578858
• Nakladatelství: Independently published
• Hmotnost: 406 g
• Rozměry: 244 × 170 × 13 mm
• Datum vydání: 23. October 2025

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