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Artículo: AMZ-B0FXP3FD6X
Crystal Metaprogramming: Zero-Cost Abstractions: A Practical Guide to Macros, Type-Safe DSLs, and Eliminating Boilerplate
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Kindle
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En stock
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0.84 kg
0.84 kg
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Amazon
Amazon
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USA
USA
Sobre este producto
- Are you tired of writing the same repetitive, boilerplate code in Crystal? Do you come from a dynamic language like Ruby and miss its powerful "magic," but hate the performance tax and runtime errors that come with method_missing? If you’re ready to stop writing tedious code and start creating powerful, "zero-cost abstractions," this book is your guide. Crystal Metaprogramming: Zero-Cost Abstractions is a practical, hands-on journey into Crystal's most powerful and least understood feature. It’s not just a book about macros; it's a book about thinking like a framework architect. You will learn how to build blazingly fast, type-safe, and incredibly expressive tools by moving all your "magic" from runtime to compile-time. Forget slow, dynamic lookups and brittle boilerplate. It’s time to write code that writes code for you. Inside this book, you will master:The "Zero-Cost" Promise: Understand why Crystal's compile-time "magic" is fundamentally faster and safer than the runtime "magic" of other languages.The Complete Macro Toolkit: Go from the basics (} vs. ) to building complex code from scratch by directly manipulating the AST (AST::Def.new).Reading the Compiler's Mind: Learn to use @type to build "self-aware" macros that intelligently inspect your class's properties and methods.Building Practical Tools: Follow step-by-step projects to build a high-performance, annotation-driven INI.mapping and a zero-cost delegate macro.Mastering Type-Safe DSLs: Discover the "safe" alternative to method_missing! You'll use macro_missing to build a beautiful, type-safe HTML generator from the ground up.The Framework-Builder's Secrets: Harness advanced hooks like macro inherited, included, and method_added to build self-registering plugin systems.Declarative Magic with Annotations: Learn to define and read your own custom annotations (@[PrimaryKey], @[Column("...")]) to build a simple, clean, and "magic-free" ORM.This book is for the intermediate Crystal developer ready to level up, the library author who demands performance, or any developer who wants to finally understand how to extend the Crystal language. Don't just use the language. Become an architect of it. Scroll up and click "Buy Now" to start building your own zero-cost abstractions today.
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