API Design and Development: Creating Libraries and Frameworks for Reusable Components (Professional Linux Software Engineering) - Softcover

Inhaltsangabe

Design interfaces other developers trust, adopt, and never have to fight.

Every public method you release is a promise. Once other developers build on it, a careless rename, a vague error message, or a hidden assumption can break builds across entire organizations. Designing an API, a reusable library, or a framework is a different discipline from building an application, and most developers are never taught it.

API Design and Development is a practical, language-neutral guide to creating stable, intuitive, and long-lasting public interfaces. Instead of chasing trends, it teaches the durable principles behind software that other people depend on, from the first draft to years of maintenance.

Inside, you will learn how to:

• Define clear contracts with preconditions, postconditions, and invariants
• Apply abstraction, encapsulation, cohesion, and loose coupling at every boundary
• Design naming, types, parameters, and error handling that guide developers toward correct use
• Build reusable libraries with minimal dependencies, safe defaults, and sound configuration and state management
• Create synchronous and asynchronous interfaces that stay safe under concurrency
• Choose between a library and a framework, then design extension points, hooks, middleware, and plugin systems
• Test public interfaces, write documentation that onboards users quickly, and catch breaking changes early
• Version, deprecate, and migrate with confidence using semantic versioning and clear communication
• Secure, package, distribute, and observe components in production

Chapters close with review checklists and key takeaways, and the appendices offer ready-to-use templates for design reviews, compatibility checks, documentation, and release planning. Code examples use simple pseudocode, so every lesson applies whether you work in a compiled or interpreted language.

Who this book is for

Application developers moving into library authorship, senior engineers and architects building frameworks, technical leads who set standards for shared code, and any developer who wants to judge third-party packages with a sharper eye.

Stop treating interface design as an afterthought. Learn the principles that separate fragile code from foundations others can build on for years.

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