11. Types

đź’ˇ Strictly-typed languages let us separate the contract from the implementation. Not only does this open up an entire world of software design and architecture techniques, but they act as a form of constraints and feedback which can help improve the process of learning a codebase.

Chapter goals

  • Learn the differences between programming language type systems
  • Understand how statically-typed languages help us catch mistakes, communicate design intent, and scale codebases.
  • Learn the basics of how types work in TypeScript
  • Learn when to use types in a few real-world scenarios
  • …

Howdy đź‘‹

This is an online wiki and book about the basics of software design and architecture with TypeScript by Khalil Stemmler, Developer Advocate @ Apollo GraphQL .

This book’s mission is to teach developers the essential skills and practices to write testable, flexible, and maintainable code.

You can read more about the learning journey in the "Software Design and Architecture Roadmap 🖼️".

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