In this video, we break down the complexities of effect systems, focusing on the core concept of 'thunks'—nullary functions that encapsulate computations. We address two main barriers to adopting effect systems: perceived complexity and unclear value proposition. Through practical examples, we implement various combinators like 'repeat,' 'retry,' and 'timed,' demonstrating the power of maintaining computational blueprints. Finally, we explore composition operators and a generator syntax for sequential programming, illustrating the simplicity and potential of effect systems.
00:00 Introduction to Effect
01:02 Understanding Thunks
04:10 Implementing Repeatability
07:39 Exploring Retryability
09:46 Aroundability: Instrumenting Effects
14:29 Effect Composition and Sequencing
17:40 Conclusion and Final Thoughts