5 Reasons to Stop Throwing Exceptions - and What To Do Instead for a more Robust, Composable, and Performant Codebase

In this video we explore reasons that throwing exceptions are bad and an alternative method that leads to more robust, composable, and performant codebases.

Original blog post with all links: https://hamy.xyz/blog/2025-07_5-reasons-to-stop-throwing-exceptions

Chapters

00:00 - Intro
00:30 - Exceptions break the type system
02:20 - Exceptions make it hard to handle all possible cases
04:55 - Exceptions break the control flow of your system
05:25 - Exceptions are slow, heavyweight operations
06:30 - Exceptions make it harder to compose robust systems
09:00 - What should you use instead of exceptions? 
13:05 - Does this mean you should never use exceptions? 

Links:

- Build a Simple Result type in Python - and why you should use them - https://www.youtube.com/watch?v=1P7J2wI46sg&ab_channel=HAMYLABS
- TypeScript - Errors as Values vs Exceptions Performance Benchmarks - https://www.youtube.com/watch?v=nuAl00ZD7zQ&ab_channel=HAMYLABS
- Types vs No Types - How Types Allow Code to Scale across Developers, Organizations, and Code Size - https://www.youtube.com/watch?v=ntNGPompHsA&ab_channel=HAMYLABS 

About me: I'm Hamilton - a Technomancer building Simple Scalable Systems.

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