6 min read
The Object in the Machine
Git stores everything as objects named by their content. This post covers the three object types (blobs, trees, commits) and how they chain together to form Git's immutable history.
Blog
Technical deep-dives on software engineering, systems architecture, and AI.
2026
2 min read
Hello, I'm Bernard Katamanso
A proper introduction: who I am, what I build, why I write, and where to find me around the web.
2 min read
LLM Reasoning: From Next-Token Prediction to Constrained Decoding
A first-principles look at autoregressive transformers, the hallucination problem, and how constrained decoding can ground LLM outputs in structured knowledge.
5 min read
Explicit Errors and Functional Cores
Error handling doesn't have to be an afterthought. By treating errors as values, separating business logic from side effects, and pushing I/O to the edges, you can build TypeScript systems that are easier to reason about, test, and trust.
2025
8 min read
Understanding Generics
How do we write code that is both reusable across types and safe at compile time?
4 min read
Autocomplete with Tries in Go
A deep dive into implementing autocomplete using tries in Go.
2 min read
The Elegance of Bit Shifting in Subset Generation
How the left shift operator transforms subset generation from a complex combinatorial problem into straightforward binary operations.
4 min read
Two-Pointer Technique
Moving zeros, removing elements, finding container areas. These problems may look different but they share the same pattern. Scanning with one pointer while tracking with another.